MAGAZINE WELL FOR A SELF-LOADING FIREARM

Abstract

The present invention relates to a magazine well for a self-loading firearm, comprising a magazine tube furnished with a recess, which tube includes an axially extending accommodation space for a magazine of the self-loading firearm, and an interchangeable insert which can be inserted in the recess of the magazine tube, wherein the interchangeable insert comprises a pre-tensioned slide that is mounted displaceably inside the interchangeable insert and via which axial pressure can be applied to a breech block lever of the self-loading firearm.

Description

RELATED APPLICATIONS

This application claims the priority of German Application No. 102023117773.7, filed Jul. 5, 2023, which is herein incorporated by reference in its entirety for all purposes.

FIELD OF THE INVENTION

The invention relates to a magazine well for a self-loading firearm, and more particularly, to a semi-automatic long or short gun and a self-loading firearm, in particular a semi-automatic long or short gun comprising a magazine well.

BACKGROUND OF THE INVENTION

Self-loading firearms are typically designed such that their breech remains open after the last shot from a magazine has been fired. This is achieved according to the prior art by constructing the follower in the magazine, which pushes the cartridges upwards inside the magazine, in such a way that in its highest position the follower simultaneously acts on the breech block lever of the weapon so that the lever is forced upwards via its driver lug and consequently against the breech to stop it from travelling further.

Thus, for example, from EP 3 591 329 A1 a grip plate or housing for a self-loading firearm with a breech block device is known, by means of which the breech is retained in the open position after the last cartridge is fired. In the case of this known self-loading firearm, no provision is made for the use of various magazines made by different manufacturers.

In order to be able to use as many different magazines produced by various manufacturers as possible with the same firearm, the respective magazine is equipped with an “adapter ring”, the outer dimensions of which are adapted to the inner dimensions of the magazine well currently on the firearm.

However, in order to be able to actuate the breech block lever correctly as well, the respective magazine must also be adapted. To do this, the breech block lever must usually be replaced with one that fits. Depending on the design of the weapon, this replacement may entail quite extensive disassembly of the firearm, which takes a considerable amount of time, and sometimes inexperienced users may even find this very difficult if not impossible to carry out.

DE 20 2017 005 204 U1 describes a magazine adapter for a self-loading rifle that can be attached to the underpart of the weapon frame with screws in seatings provided by the manufacturer. It is intended to enable various commercially available magazines to be used with the self-loading rifle with minor modifications. This known magazine adapter is in the form of a well having a fully closed rectangular profile with two longitudinal walls and two transverse walls. In the upper region, two side plates protruding in parallel alignment above the transverse side wall are provided, with which the magazine adapter is screwed onto the firearm.

WO 2013/017907 A1 describes a magazine adapter for a firearm that is inserted in the weapon's magwell instead of the original magazine. In this gun, a breech block lever is provided having a body and a cylindrical rod which is attached to the body and serves to keep the weapon's breech open when the magazine well and the other magazine are being used. A spring is mounted on the rod. The modified breech block lever for the other magazine serves to replace the weapon's original breech block lever. In this known solution, the breech block lever has a wing that is pushed upwards by the magazine's follower. The magazine adapter is pushed almost completely into the weapon's magwell, while the breech block lever is located in the top region of the magwell on the receiver.

What is needed, therefore, is a magazine well for a self-loading firearm, that enables easy adaptation to different magazine types, and thereby ensures reliable functioning of the self-loading firearm.

SUMMARY OF THE INVENTION

On the basis of the prior art as described above, the object of the present invention consists according to a first aspect in providing a magazine well for a self-loading firearm, in particular a semi-automatic long or short gun, which enables easy adaptation to different magazine types and thereby ensures reliable functioning of the self-loading firearm.

According to a further aspect, an object of the present invention is to provide an improved self-loading firearm compared with the prior art, for example a semi-automatic long or short gun, in particular one that is designed in a manner that allows it to be adapted to various magazine types by simple, rapid replacement of a small number of components, while still ensuring reliable functioning of the self-loading firearm.

The abovementioned object is solved on the one hand with a magazine well for a self-loading firearm having the features of claim 1 and a self-loading firearm having the features of claim 17.

The magazine well according to the invention comprises a magazine tube designed with a recess, which magazine tube has an axially extending accommodation space for a magazine of the self-loading firearm, and an interchangeable insert which may be inserted in the recess of the magazine tube, wherein the interchangeable insert comprises a pre-tensioned slide that is mounted slidably inside the interchangeable insert and via which a breech block lever of the self-loading firearm can be biased and actuated axially.

In the same way, the present invention provides a self-loading firearm, preferably a semi-automatic long or short gun, which comprises the magazine well according to the invention.

Accordingly, the magazine well or its housing is furnished with a recess on the circumference thereof which is designed and intended to accommodate an interchangeable insert that can be inserted in said recess. The interchangeable insert in turn includes an insertable slide. In its upper position, the slide is then able to apply pressure to the breech block lever of the self-loading firearm. Thus, the invention adopts a different solution approach to the previously described prior art, and in this way now makes it possible for different positions and/or geometries of the follower of a magazine to be compensated reliably and simply without the need to extensively disassemble the firearm to replace the breech block lever.

In the solution according to the invention, the magazine well essentially consists of two components, namely the magazine tube, which largely forms the basic shape of the magazine well, and one region of which includes the recess. In this region of the recess, a second component in the form an interchangeable insert is pushed in and completes the basic shape of the magazine tube, which is recessed here. The interchangeable insert is itself designed in such manner that it is able to accommodate an axially displaceable slide, whose function is to apply pressure to the breech block lever so that the breech block lever performs its function of blocking the breech in the open position. The slide is designed in such a way that the breech block lever does not have to be replaced when a different magazine is used. In other words, the entire interchangeable insert has a slide designed to match a specific manufacturer's magazine in each case, so that each of a variety of magazine types can be used in a single self-loading firearm through the use a different interchangeable insert without having to replace the breech block lever of said self-loading firearm.

Advantageously in this connection, it is reasonable to design each of the replaceable inserts and adapter rings that fit one another to match the colour scheme of the respective magazine type. In this way, a self-loading firearm with the magazine well according to the invention may be converted to a specific magazine type particularly easily and rapidly, for example by using an interchangeable insert and an adapter ring with a first colour scheme for a first magazine type. Accordingly, the self-loading firearm comprising the magazine well according to the invention with an interchangeable insert and adapter ring in a further colour scheme may be used with a second magazine type, and so on, wherein the firing function is always assured by the slide that is adapted to the magazine type.

In a further aspect, the present invention therefore also relates to an interchangeable insert for use in the magazine well according to the invention, comprising a pre-tensioned slide that is mounted displaceably inside the interchangeable insert.

In a further aspect, the present invention also relates to an adapter ring for use in the magazine well according to the invention, wherein the outer dimensions of the adapter ring are designed to correspond to the inner dimensions of the magwell, in particular the axial accommodation space thereof. Such adapter rings have (or consist of) an annular body and are each designed to match one or more specific magazine types, so that a magazine from a third-party supplier can be fitted securely in a magazine well of the firearm with the aid of such an adapter ring.

As was noted earlier, it is reasonable and advantageous to design both the replaceable inserts and the adapter rings fitting one another to match the colour scheme of the respective magazine type. In a particularly advantageous aspect, the present invention therefore relates to a system comprising the interchangeable insert according to the invention and the adapter ring according to the invention, wherein the interchangeable insert as well as the adapter ring are coloured with the same colour.

Further advantageous embodiments of the invention are described in the subordinated claims. The features set forth individually in the subordinated claims may be combined with each other in any technologically practicable manner and may define further embodiments of the invention. Moreover, the features presented in the claims are described and explained in greater detail in the description, wherein further preferred embodiments of the invention are represented.

In a particularly advantageous variant, it is provided that the first distal end section of the slide has a lug element via which axial pressure may be applied to the slide by a follower of a magazine, so that the slide then applies axial pressure to the breech block lever of the self-loading firearm and actuates it, particularly preferably through a tongue conformed on the end section. This embodiment allows the use of a breech block lever without a dog extending vertically into the accommodation space, as is usual in self-loading firearms of the prior art. A breech block lever is normally manufactured from an extremely strong metal material. A consequence of complex geometries such as the formation of a vertical dog is that the manufacture of breech block levers of such kind is complicated, which in turn raises production costs. A breech block lever designed correspondingly without a dog is accordingly simply and less expensive to manufacture. Advantageously in this context, it is therefore provided that the self-loading weapon does not have a dog on its breech block lever.

The slide is preferably designed as a flat, elongated bent part or moulded part and in the installed state with horizontally aligned barrel of the self-loading firearm extends with its major axis substantially in the vertical direction.

It is advantageously provided that the slide comprises an axially extending main section with a first end closest to the lug element and a second end arranged axially opposite thereto, wherein the main section is mounted displaceably over at least a part of the length thereof in a guide channel of the interchangeable insert.

In order to be enable particularly simple and rapid replacement of the slide, which is constructed as a bent part or moulded part, it is preferably provided that said slide has a plurality of wing elements arranged on its main section, which extend particularly preferably vertically from the main section, in particular from the longitudinal sides thereof.

On the first axial end of the main section, the slide preferably has an axially extending head section, which is offset radially with respect to the main section, and from which the lug element extends vertically. The head section also has a tongue, which extends axially and serves to transmit axial pressure to the breech block lever of the firearm. In this way, the slide may be actuated by the magazine follower, in particular in that the follower applies pressure to the lug element, so that the slide then acts on the breech block lever of self-loading firearm via the tongue.

To ensure that the slide returns to its home position after a new magazine has been inserted, the slide it advantageously biased by means of a spring element, which is particularly preferably arranged on the interchangeable insert and engages with a second distal end section of the slide.

In a further advantageous variant, it is provided that the slide has a first leg section, which extends vertically from the second axial end of the main section, wherein the first leg section is particularly preferably arranged in the same spatial plane as the main section. The second distal end section of the slide is then preferably formed by a second leg section, which extends as an angled extension away from the first leg section. A variant of such kind in combination with two stop surfaces enables a defined movement of the slide inside the interchangeable insert. In its axial home position, the slide bears on the first stop surface, which is preferably provided on the inner side of the interchangeable insert, facing the accommodation space. The movement of the slide in the axial direction is limited by means of the second stop surface, which is preferably also arranged on the inner side of the interchangeable insert, facing the accommodation space. With this arrangement, it is advantageously provided that both stop surfaces are constructed to correspond with the two longitudinal sides of the first leg section.

The magazine well may include various connecting means, with which the interchangeable insert can be fixed securely in the recess of the magazine tube. Thus, the magazine tube may have at least one or more projections, preferably in the region of the recess, which in the inserted state form a plug connection with at least one or accordingly several hook-like connecting elements arranged on the inner side of the interchangeable insert. In addition, in the inserted state a preferably radially inwardly offset wall section of the recess may form a plug connection with at least one further hook-like connecting element on the inner side of the interchangeable insert. Further, the magazine tube may include at least one fastening element preferably in the region of the recess, by means of which the interchangeable insert may be connected non-positively to the magazine tube.

According to a preferred further development of the present invention, the magazine well has at least one radially inwardly offset wall section in the region of the recess. The recess of the magazine tube and the interchangeable insert are preferably designed in such manner that when the interchangeable insert is inserted a hollow space is created between the wall section and the inner side of the interchangeable insert, which hollow space accommodates at least a portion of the slide. The wall section, which runs radially further inwardly in the magazine tube than the outer contour, and preferably extends substantially in the principal direction of the magazine tube, that is to say parallel to the axis thereof and to the direction of insertion of the magazine, effectively creates a chamber that is delimited inwardly by the wall section and outwardly by the outer wall of the interchangeable insert when the insert is inserted in the recess of the magazine well. Said chamber then forms an accommodation space for the slide. The wall section thus separates the accommodation space for the slide from the well region which receives the magazine of the self-loading weapon.

In the following text, the invention and the technical field will be explained in greater detail with reference to the figures. It should be noted that the invention is not to be limited by the exemplary embodiments shown. In particular, unless otherwise explicitly represented it is also possible to extract partial aspects of the elements explained in the figures and combine them with other components and discoveries from the present description and/or figures. It should be noted especially that the figures and in particular the proportions are only represented diagrammatically.

The features and advantages described herein are not all-inclusive and, in particular, many additional features and advantages will be apparent to one of ordinary skill in the art in view of the drawings, specification, and claims. Moreover, it should be noted that the language used in the specification has been principally selected for readability and instructional purposes, and not to limit the scope of the inventive subject matter.

BRIEF DESCRIPTION OF THE DRAWINGS

In the drawings, identical reference numerals designate identical objects, and therefore explanations may be drawn from other figures as necessary to supplement the information presented, wherein:

FIG. 1 is a perspective view of a magazine tube according to an exemplary embodiment of the present invention;

FIG. 2 is a perspective view of the magazine tube according to FIG. 1 with an interchangeable insert inserted in the recess;

FIG. 3 is a perspective detail view of the slide;

FIG. 4 is a perspective view of the interchangeable insert with slide, viewed from the inner side;

FIG. 5 is a perspective view of the representation of FIG. 2, wherein part of the interchangeable insert is transparent; and

FIG. 6 is a perspective partial view of a detail of a self-loading firearm in the region of the magazine well.

DETAILED DESCRIPTION

In the following text, the magazine well 1 will first be described in greater detail with reference to FIGS. 1 and 2; the magazine well is essentially formed by the magazine tube 2 and the interchangeable insert 3.

FIG. 1 shows a perspective view of the magazine tube 2 without interchangeable insert 3, whereas FIG. 2 represents a perspective view of the magazine well 1 in an assembled state, that is to say the magazine tube 2 with interchangeable insert 3 inserted in recess 4 thereof. The magazine tube 2 represented in FIG. 1 has the form of a well with surrounding walls that enclose an axial accommodation space 5, into which the magazine (not shown) of the self-loading firearm is slid, optionally through a fitting adapter ring (not shown). The contour geometry of the magazine tube 2 is complex and may be described as follows: it consists of two approximately rectangular basic shapes, a rectangular front hollow well section 6 which is slightly wider in the firing direction of the weapon and includes the recess 4 in a corner area thereof, and a slightly narrower, compact rear connecting section 7, by which the entire magazine well 1 is fastened to the frame of the firearm with the aid of suitable fastening means, such as screws or the like (see FIG. 5). In the corner area where the recess 4 is located, the contour of the front well section 6 is somewhat rounded. The accommodation space 5 enclosed by the surrounding walls of the front well section 6 serves to receive the magazine.

As is shown in FIG. 1, the wall 8 of the front well section 6 that forms the outer contour is interrupted in the corner area with the recess 4. However, a wall section 9 is present, the height of which is shortened axially upwards and downwards, and which is offset radially inwardly and completes the inner contour of the front well section 6 in this area, whereas the outer contour of the magazine tube 2 does not exist here. The space created by the recess 4, which is formed radially outwardly by the wall section 9, is filled by the interchangeable insert 3 after it has been inserted, for example when it is pushed into the recess 4 from the underside. This is represented in the view according to FIGS. 2 and 5.

The interchangeable insert 3 also has a wall 10 forming the outer contour, which extends of the peripheral region of the recess 4 and supplements the outer wall 8 of the front well section 6 that forms the outer contour in this region, in such a way that when the interchangeable insert 3 is inserted a practically uninterrupted outer contour of the magazine tube 2 and magazine well 1 is created. It may also be seen from both FIGS. 1 and 2 that the bottom region of the front well section 6 of the magazine tube 2 is flared, with the result that a kind of rim or jet funnel 11 is created here in the form of a broadening, which is also reflected in the shape of the interchangeable insert 3.

The interchangeable insert 3 also includes a pre-tensioned slide 12, only part of which is visible in FIG. 2, and which will be explained in greater detail hereafter with reference to FIG. 3. A breech block lever of the self-loading firearm may be placed under axial pressure and actuated by means of the slide 12, which is mounted displaceably inside the 1 interchangeable insert 3. This occurs because after the last cartridge is shot the slide 12, in particular the lug element 13 thereof is moved axially upwards by a magazine follower (not shown), with the result that the breech block lever is then also moved axially upwards via the slide 12, in particular via the tongue 16.1 thereof and consequently blocks the breech in the open position, which is represented in FIG. 5.

As shown, the slide 12 is embodied as a flat, elongated bent part or moulded part and in the installed state with the barrel of self-loading firearm aligned horizontally extends with its major axis substantially in the axial direction. The slide 12 initially comprises an axially extending main section 14 with a first end closest to the lug element 13 and a second end arranged axially opposite thereto. Two wing elements 15 are provided on each of the longitudinal sides of the main section 14, and by which the slide 12 is guided in a guide channel of the interchangeable insert 3.

A head section 16 of the slide 12 adjoins the first axial end of the main section 14 to form the first distal end section 17, and also extends axially relatively to the main section 14, but is offset radially thereto. In other words, the head section 16 is angled from the main section 14 inwards into the accommodation space 5, as is also discernible from FIG. 2, forming a cranked structure of the slide 12 in this region. From this head section 16, the lug element 13 then extends vertically, i.e. further inwards into the accommodation space 5 of the magazine tube 2. As may also be seen from the figure, the head section 16 comprises the tongue 16.1 via which axial pressure may be applied to the breech block lever.

In the lower end region of the main section 14, the slide 12 also includes a first leg section 18 which is angled perpendicularly and so horizontally in the installed state, and which lies in the same spatial plane as the main section 14. From the first leg section 18, the second leg section 19 then extends as an angled extension and forms the second distal end section 20 of the slide 12.

FIG. 4 now shows the interchangeable insert 3 its inner side facing towards the accommodation space 5. This shows on the one hand the slide 12, which is mounted displaceably over a partial length of its main section 14 inside a guide channel 21 of the interchangeable insert 3. In order to insert and if necessary replace the slide 12, the guide channel 21 is furnished with openings 22 arranged radially opposite each other, through which the slide 12 with its wing elements 15 can be inserted in the channel.

In the illustration shown here, the slide 12 is in its axial home position. In this position, the slide 12 bears on a first stop surface 23 of the interchangeable insert 3 with the lower longitudinal side of the first leg section 18, which extends substantially vertically to the guide channel 21. The slide 12 is also biased by means of a spring element 24, for example a coil spring arranged in the interchangeable insert 3. As may be seen from the figure, in this situation the spring element 24 engages with the second distal end section 20, in particular with the angled second leg section 19 of the slide 12, so that a spring force is transmitted to it.

The interchangeable insert 3 also has a second stop surface 25 on its inner side, by which the axial movement of the slide 12 is limited, in particular by the upper longitudinal side of the first leg section 18, when it is moved against the force of the spring element 24, i.e. against the restoring force, by the magazine follower.

In order to secure the interchangeable insert 3 on the magazine tube 2, in the present variant a plurality of connecting means are provided. Firstly, the magazine tube 2 has three separately constructed projections 26.1, 20 27.1, 28.1 in the region of the recess 4, which in the inserted state cooperate with the corresponding hook-like connecting elements 26.2, 27.2, 28.2 arranged on the inner side of the interchangeable insert 3 to form a kind of plug connection. As may be seen in the illustration in FIG. 1, one of these projections 26.1 is formed directly by the wall section 9. The magazine tube 2 further has a fastening element 29.1 in the region of the recess 4, by means of which the interchangeable insert 3 may be connected to the magazine tube 2 non-positively, in particular with a screwed connection. For this purpose, the fastening element 29.1 has a threaded hole. On the other hand, the interchangeable insert 3 has a plate-like thrust bearing 29.2 with a drillhole. When it is pushed into place, the interchangeable insert 3 is first seated by the connecting means 26.1, 26.2, 27.1, 27.2, 28.1, 28.2, and can then be fixed by a screwed connection.

FIG. 5 shows the magazine well 1 in an assembled state, wherein the outer contour surface of the interchangeable insert 3 is represented as a transparent surface so that the arrangements of both the slide 12 and the spring element 24 are visible. As may be seen from the illustration, the recess 4 of the magazine tube 2 and the interchangeable insert 3 are designed in such manner that when the interchangeable insert 3 is inserted a hollow space is created between the wall section 9 and the inner side of the interchangeable insert 3, which space at least partly accommodates the slide 12. In particular, it may be seen that the head section 16 of the slide 12 extends radially into the accommodation space 5 of the magazine tube 2, in such manner that the lug element 13 may be actuated via the magazine follower, and the head section 16 of the slide 12 then acts axially on the breech block lever der self-loading firearm via the tongue 16.1.

In the following text, the function of the slide 12 and its interaction with a breech block lever 30 of the self-loading firearm will be explained in greater detail with reference to FIG. 6. The view according to FIG. 6 only shows a detail region of the firearm where the magazine well 1 is located. The direction of fire of the weapon is to the right in the drawing, that is to say the figure shows the magazine well 1 from the right sight vies in the direction of fire. It is possible to see into the inside of part of the housing through the ejection window of the firearm above the magazine well 1, wherein a part of the interchangeable insert 3 may be from the inside is visible. There is the upper end of the slide 12, to which axial pressure is applied via the lug element 13 from a magazine follower (not shown) after the last cartridge has been fired. The breech block lever 30 is moved axially upwards into a position that blocks the breech 31 of the self-loading firearm by the tongue 16.1 conformed on the head section 16, which tongue is arranged in this example directly below the breech block lever 30. Such a design thus allows the use of breech block levers 30 without a dog. The breech 31 thus remains in its open position, as may be seen with reference to FIG. 6.

LIST OF FIGURE REFERENCE NUMERALS

Following is a table that lists the definitions of the item numbers that appear in the figures.

TABLE 1
List of item number definitions
1    Magazine well
2    Magazine tube
3    Interchangeable insert
4    Recess
5    Accommodation space
6    Well section
7    Connecting section
8    Wall/Outer contour
9    Wall section
10   Wall/Outer contour
11   Rim/Jet funnel
12   Slider
13   Lug element
14   Main section
15   Wing elements
16   Head section
16.1 Tongue
17   First distal end section
18   First leg section
19   Second leg section
20   Second distal end section
21   Guide channel
22   Openings
23   First stop surface
24   Spring element
25   Second stop surface
26.1 Projection
26.2 Connecting element
27.1 Projection
27.2 Connecting element
28.1 Projection
28.2 Connecting element
29.1 Fastening element
29.2 Thrust bearing
30   Breech block lever
31   Breech

The foregoing description of the embodiments of the invention has been presented for the purposes of illustration and description. Each and every page of this submission, and all contents thereon, however characterized, identified, or numbered, is considered a substantive part of this application for all purposes, irrespective of form or placement within the application. This specification is not intended to be exhaustive or to limit the invention to the precise form disclosed. Many modifications and variations are possible in light of this disclosure.

Although the present application is shown in a limited number of forms, the scope of the disclosure is not limited to just these forms, but is amenable to various changes and modifications. The present application does not explicitly recite all possible combinations of features that fall within the scope of the disclosure. The features disclosed herein for the various embodiments can generally be interchanged and combined into any combinations that are not self-contradictory without departing from the scope of the disclosure. In particular, the limitations presented in dependent claims below can be combined with their corresponding independent claims in any number and in any order without departing from the scope of this disclosure, unless the dependent claims are logically incompatible with each other.

Claims

1. A magazine well for a self-loading firearm, comprising:

a magazine tube furnished with a recess, which has an axially extending accommodation space for a magazine of the self-loading firearm; and

an interchangeable insert that is insertable in the recess of the magazine tube;

wherein the interchangeable insert comprises a pre-tensioned slide that is mounted displaceably inside the interchangeable insert and via which axial pressure can be applied to a breech block lever of the self-loading firearm.

2. The magazine well of claim 1, wherein the slide has a lug element on its first distal end section, by means of which axial pressure can be applied to the slide by a follower of a magazine in such manner that the slide then applies the axial pressure to the breech block lever of the self-loading firearm, preferably via a tongue conformed on the end section.

3. The magazine well of claim 1, wherein the slide comprises an axially extending main section having a first end closest to the lug element, and a second end arranged axially opposite thereto, and wherein the main section of the slide is mounted displaceably at least over part of its length in a guide channel of the interchangeable insert.

4. The magazine well of claim 3, wherein the slide includes a plurality of wing elements arranged on the main section thereof, extending preferably vertically from the main section, in particular from longitudinal sides thereof.

5. The magazine well of claim 3, wherein the slide comprises an axially extending head section on the first axial end of the main section, which is offset radially with respect to the main section, and from which the lug element extends vertically.

6. The magazine well of claim 3, wherein the slide has a first leg section that extends vertically from the second axial end of the main section, wherein the first leg section is preferably arranged in the same spatial plane as the main section.

7. The magazine well of claim 6, wherein the second distal end section of the slide is formed by a second leg section, which extends from the first leg section in the form of an angled extension.

8. The magazine well of claim 1, wherein the slide is biased by means of a spring element, which is preferably arranged on the interchangeable insert and engages with a second distal end section of the slide.

9. The magazine well of claim 1, wherein the interchangeable insert has a first stop surface on an inner side thereof facing the accommodation space, and wherein the slide, when in an axial home position thereof, bears on the first stop surface.

10. The magazine well of claim 9, wherein the interchangeable insert comprises a second stop surface on the inner side thereof facing the accommodation space, by which axial movement of the slide is limited.

11. The magazine well of claim 9, further comprising two stop surfaces corresponding to two longitudinal sides of the first leg section.

12. The magazine well of claim 1, wherein the magazine tube has at least one projection proximate the recess, which forms a plug connection with the at least one hook-like connecting element(s) arranged on the inner side of the interchangeable insert when the interchangeable insert is inserted into the recess of the magazine tube.

13. The magazine well of claim 1, wherein the magazine well includes at least one radially inwardly offset wall section in the region of the recess.

14. The magazine well of claim 13, wherein the recess of the magazine tube and the interchangeable insert are configured such that when the interchangeable insert is inserted into the recess of the magazine tube, a hollow space is formed between the wall section and the inner side of the interchangeable insert, which accommodates at least a part of the slide.

15. The magazine well of claim 13, wherein when the interchangeable insert is inserted into the recess of the magazine tube, the wall section forms a plug connection with at least one further hook-like connecting element arranged on the inner side of the interchangeable insert.

16. The magazine well of claim 1, wherein the magazine tube has at least one fastening element proximate the recess, via which the interchangeable insert can be connected non-positively to the magazine tube.

17. A self-loading firearm, preferably a semi-automatic long or short weapon, comprising the magazine well of claim 1.

18. The self-loading firearm of claim 17, wherein the breech block lever does not comprise a dog.

19. An interchangeable insert compatible for use in a magazine well according to claim 1, the interchangeable insert comprising a pre-tensioned slide which is mounted displaceably inside the interchangeable insert.

20. An adapter ring suitable for use in the magazine well of claim 1, wherein outer dimensions of the adapter ring are adapted to match inner dimensions of the magazine well, including the axial accommodation space thereof.