Abstract: An improved weapon mount system for night vision system includes a cage-like structure receiving the body of a night vision system, such as a night vision monocular. A mounting shoe is attached to the base and cage halves secure the body of the night vision system. The mounting shoe of the present mount provides a lower profile than an integral mounting member on the night vision system that is used to attach the night vision system to a helmet/head worn mount. In one aspect, by lowering the weapon mounting height of the night vision device, the night vision system can be mounted at an appropriate height for use in front of an optical scope. In another aspect one aspect, lowering the weapon mounting height of the night vision device allows the night vision system to be mounted at an appropriate height for use on a helmet mounting system in a binocular system having a thermal camera or other type of viewing device.

Abstract: A mount for an accessory for a firearm having a Picatinny rail. The mount includes a chassis with one or more locking devices. Each locking device includes a lever that moves a plate into engagement with the Picatinny rail to clamp the mount to the rail. Each locking device also includes an actuator which not only moves the plate into engagement with the Picatinny rail but includes a self-tightening mechanism in which a nut and bolt arrangement are tightened by movement of the lever from a first position to a second position while at the same time bringing the plate into engagement with the rail. Each locking device also includes an automatic locking feature for locking the lever in position and a mechanism for preventing accidental operation of the actuator.

Abstract: An adapter is provided with a rail having one end secured to a gunstock; a groove structure including a bottom groove, a forward socket, a transverse channel through the socket, a pin hole through the channel, and a bottom limit member; a lever pivotably secured to the groove structure; and a sliding member in both the channel and the socket and including a projection at one end, a shoulder adjacent to the projection, a receptacle at an other end, a spring in the receptacle, and a slot perpendicular to the receptacle and communicating therewith. The pin is through the pin hole and the slot to anchor the spring between the pin and the receptacle. In a locked state, the shoulder is in the socket to lock the rail in the groove, the other end of the sliding member is projected, and the projection is retracted into the channel.

Abstract: Apparatus and system for mounting accessories to firearms and the like. More specifically, an apparatus and system for mounting accessories such as optics, sighting telescopes, lasers, thermal imaging devices, night vision devises, knives, cameras, flashlights and the like to firearms that have been fitted with a Picatinny mounting rail. The mounting apparatus is quickly secured to and removed from a Picatinny rail and provides a highly secure and stable mount for accessories. The apparatus and the accessories that are attached to it may be removed and replaced from the Picatinny rail repeatedly without affecting the preset sighting zero of the device.

Abstract: A rail mounting mechanism for coupling an auxiliary device to a weapon has an adjuster and a lever that can be used to overcome tolerances in mounting rails to provide a consistent grasp of the rail.

Abstract: A quick detachable mount is disclosed, wherein the quick detachable mount can be operated with one hand for mounting or detaching the mount from a mounting location (e.g. picatinny rail). The quick detachable mount has a button that can be depressed with the user's thumb while the user's index or middle finger are on the opposite side of the mount (or vice versa). The button when depressed moves a wedge to allow for a pivoting jaw to rotate toward a disengaged position. When the button is released, the wedge contacts the pivoting jaw to traverse the pivoting jaw toward the engaged position.

Abstract: Cam lever mounts, devices, systems and methods with pivotable/foldable levers for attaching grips, sights, flashlights to picatinny rails on firearms. A moveable mount having one side with an upper and lower shroud covers has a space therebetween. A lever pivotally attached in the space moves from open to closed positions with substantial portions of the lever protected by the upper and lower shroud covers. The lever pivoting end can be attached to one end of an elongated member with other end attached to a stationary mount so that rotating the lever from open to closed draws the moveable mount toward the stationary mount. Inner sides of the moveable and stationary mounts can have clamp edges facing one another which can attach and detach to the picatinny rails.

Abstract: A firearm scope mount that is operable to mount to a firearm having a receiver and a sight housing. The scope mount has a rear support that is operable to mount to a side of the receiver and a front support that is operable to mount to the sight housing. A rail is coupled with and extends between the front and rear supports.

Abstract: A throw lever assembly used to secure an accessory such as a sight or a flashlight to a firearm. The throw lever assembly includes a base unit having a cam bed wherein the cam resides. An engagement rod, connected to the cam, extends through the base unit to an anchor clamp used to clamp the entire assembly to a firearm. A handle portion is manually locked to the cam so that when locked to the cam mechanism, the lever allows the operator to manually rotate the cam to force movement of the engagement rod to tighten or release the assembly from the firearm. In one embodiment, the handle portion is secured to an arm extending from the cam.

Abstract: Embodiments described herein provide spacers and mounts for firearm accessories, as well as methods for mounting firearm accessories. In some embodiments, a spacer is provided. The spacer has a lower surface configured as a concave profile of a M-16 base mounting structure and an upper surface configured as a convex profile of a M-16 base mounting structure. The spacer is configured that when attached to a M150 Rifle Combat Optic, or the like, a substantial portion of the base of the optic extends past an end of the spacer. In some embodiments, a mount that is configured to be detachably secured to a rail is provided. The mount has the spacer incorporated therein.

Abstract: The invention is a throw lever assembly used to affix an accessory to a firearm. The throw lever assembly utilizes a base unit having a cam bed in which rests the cam. An anchor clamp secured to one end of an engagement rod with the other end affixed to the cam. The cam has an arm extending from it which is used connected to a handle portion. The handle portion is selectively locked/unlocked to the cam via an upper surface the arm. When locked to the arm, the handle portion is able to move the cam causing the assembly to be either locked or unlocked from the firearm.

Abstract: A modular system for mounting firearm accessories includes a first accessory mounting member attachable directly to the firearm accessory and a second firearm mounting member to which first accessory mounting member may be removably joined. The first and second mounting members are frictionally engaged with interlocking barb(s) and a retention pin. One or more of barbs project from the first mounting member, each having a substantially rounded tip and a tapered or gradually decreasing diameter shaft, and are received within a complementary shaped aperture on the second mounting member. A retention pin disposed within a transverse channel in the second mounting member, and having corresponding area(s) of reduced diameter along the shaft thereof, is removably secured against the barb(s) at a right angle thereto when the barbs are received within the second mounting member, frictionally securing the two members together.

Abstract: The weapon interface mounting device is designed to permit a secure interface between a Mil-Std 1913 or similar rail and a compatible component such as an optical device, bipod, or light source. It can be easily installed, requires no adjustment by the user, and will mate securely to rails that are out of specification or poorly manufactured. The weapon interface mounting device utilizes a constant force system that applies adequate pressure to positively secure any accessory or device despite being subject to rough treatment such as recoil shock from a host weapon. Unlike prior art devices, the weapon interface mounting device insures repeatability by utilizing a mechanical index system.

Abstract: A sighting telescope mounting system for a firearm. The firearm and/or the telescope in the desired position are aligned in an axial direction, with a pivot foot attached to the telescope and with a pivot holding device affixed to the firearm. The pivot foot and pivot holding device jointly form a pivot joint, which enables a pivot of the sighting telescope by a pivot angle around a pivot range, on a plane which is formed by the telescope and the axial direction of the firearm. A connection surface is arranged on the pivot holding device and a clamping surface is arranged on the pivot foot and forms a contact area with the connection surface so that the pivot foot is axially affixed. In the desired position, the contact area is arranged at a distance from an edge of the connection surface in a radial alignment and/or towards the telescope.

Abstract: A sighting telescope mounting system for a firearm for mounting a sighting telescope onto the firearm in a desired position, wherein the firearm and/or the sighting telescope are aligned in the desired position in an axial direction, with an arresting foot which can be attached to the sighting telescope and with an arresting holding device which can be affixed to the firearm. The arresting foot has at least one support area and the arresting holding device has at least one connection area, wherein due to the support area and the connection area in a contact area, a form-fit connection of the arresting foot on the arresting holding device is attained in a first radial direction. The arresting foot and the arresting holding device form an arrest which detachably affixes the arresting foot in the other radial direction.

Abstract: A sighting telescope mounting system for a firearm. The firearm and/or the telescope, in a desired position, are aligned in an axial direction. A pivot foot is attached to the sighting telescope, and a pivot holding device is affixed to the firearm. The pivot foot and pivot holding device form a pivot joint that enables the telescope to pivot by a pivot angle around a pivot range on a plane formed by the telescope and the axial direction of the firearm. The pivot holding device has a connection surface and a clamping surface is arranged on the pivot foot and forms a contact area with the connection surface, so that the pivot foot is axially affixed. A clamping device is provided so that the connection surface and/or the clamping surface are arranged and/or designed compliantly. The pivot foot is axially held in a pre-tensioned state in the pivot holding device.

Abstract: A mount adapter device is disclosed which utilizes a sliding mechanism for repositioning accessories attached to a firearm between operative and inoperative positions relative to the firearm. The sliding mount adapter device generally includes a base member, a guiding member, and a sliding member. The base member is configured to be attached to a firearm. The sliding member includes an upper portion configured to receive and retain an accessory. The sliding member is slidably engaged with the guiding member such that the sliding member may be repositioned between a first position relative to the base member and a second position relative to the base member by being slidably moved across the guiding member which is connected to the base member.

Abstract: A clamp used to attach a flashlight to a firearm having a rail thereon. In the preferred embodiment, the clamp utilizes a sleeve configured to accept a handle of the flashlight. The sleeve has at least one tooth configured to engage the rail on the firearm. A wedge is movably secured to the sleeve such that a simultaneous action by the operator both forces the wedge up a ramp on an interior aspect of the clamp and secures the clamp by compressing the rail between a bracket (which engages both the clamp and the rail) and the tooth on the sleeve.

Abstract: An offset mountable accessory, including an accessory having an accessory body; and an accessory mounting clamp coupled to the accessory body, wherein the accessory mounting clamp is capable of mounting the accessory body to an accessory rail, such that the accessory body is mounted offset from the accessory rail.

Abstract: A quick disconnect apparatus is disclosed. The quick disconnect apparatus includes a base member, a rail clamp member and a rail clamp adjustment device. The base member includes at least one passage. The rail clamp member includes a support bar receiving passage. The rail clamp member is movably-coupled to the base member. The rail clamp adjustment device is coupled to at least one of the base member and rail clamp member. The rail clamp adjustment device includes a pivot pin, a cam member including at least one offset passage and a support bar including a pivot-pin receiving passage. The support bar is inserted through the support bar receiving passage of the rail clamp member and a passage of the at least one passage of the base member to movably-couple the rail clamp member with the base member. The pivot pin is inserted through the at least one offset passage of the cam member and the pivot-pin receiving passage of the support bar to rotatably-couple the cam member relative the support bar.

Abstract: A universal, quick-mount gunsight mount that does not require any bolts. The mount fits any pistol that has Picatinny Rail or that has any longitudinal groove on the lower muzzle. The mount includes a single piece that slips around the muzzle with two jaws that mate at the top when a sight is clamped on. A protrusion on each side of the mount mates into the slot formed by the Picatinny Rail on the gun, while a detent forces a member into a slot on the bottom of the muzzle. The mount becomes locked to the muzzle and will not move when the gun is fired. The bottom of the mount includes an optional rail that can be used for a laser or light. The mechanical sights supplied with the gun are not blocked and can be used when desired.

Abstract: A floating side rail clamp weapon accessory mount adaptor includes a stationary side rail clamp, a floating side rail clamp, and a leaf spring system that replaces prior art biasing plates. The floating side rail clamp moves as a single unit under evenly increasing influence provided by the leaf spring system coupled to the floating side rail clamp. The floating side rail clamp moves as a single unit such that a floating side rail clamp engagement surface of the floating side rail clamp remains substantially parallel to corresponding portion of a stationary side rail clamp engagement surface of the stationary side rail clamp as the floating side rail clamp moves, as a unit, towards the stationary side rail clamp in a direction substantially perpendicular to the stationary side rail clamp engagement surface.

Abstract: A method of attaching a rifle scope, having a windage knob, to a rifle having a rifle bore and that utilizes a scope mount having a top rail adapted to receive a scope at a predetermined orientation. The scope mount is attached to the rifle in a first manner, permitting adjustment of azimuth angle of the top rail relative to the rifle bore. Then a scope is attached to the scope mount and the error of the scope azimuth angle with respect to initial bullet direction is estimated. The azimuth angle of top rail relative to the rifle is adjusted by the azimuth angle error and the mounting of the scope to the rifle is finalized, thereby creating a rigid attachment.

Abstract: A rail mounting mechanism for coupling an auxiliary device to a weapon has a cam and a jaw and rotation of the cam causes the jaw to come into contact with a surface of a mounting rail to squeeze the rail in a direction perpendicular to a longitudinal axis of rotation of the cam.

Abstract: A clamping system for mounting accessory devices onto a rail type mount such as a Picatinny-rail is characterized in that the clamping system comprises at least one body which is passed through by a cross bolt or a cross screw and wherein the cross bolt or cross screw have a stop bar which engages in a cross slot when mounted to the rail of the rail type mount.

Abstract: A mount adapter device utilizing a spring-loaded push system for quickly and securely attaching accessories to weapon accessory rails is disclosed. The mount adapter device generally includes a first base member, a second base member, a push rod member, and a resilient member. The push rod member connects the first base member and the second base member. The first base member is linearly slidable into engagement with the second base member in a first direction, and the second base member is linearly slidable into engagement with the first base member in a second direction which is opposite the first direction. The first base member includes a first clamping member for engaging a first edge of the weapon accessory rail. The second base member includes a second clamping member for engaging a second edge of the rail.

Abstract: A rail mounting mechanism for coupling an auxiliary device to a weapon has an eccentric hub and a blade with a lever arm that can be used to overcome tolerances in mounting rails to provide a consistent grasp of the rail.

Abstract: A weapon accessory mounting system for mounting an accessory, such as a light or laser sight, directly to the front sight base of a host weapon without requiring modification of the weapon. The system includes a bracket with a clamp member and a plank member. The clamp member has a generally C-shaped cross-section defined by a base portion disposed between two clamp arms. The C-shaped cross-section defines a channel extending along a sight base axis. The plank member has a rail portion for slidably mounting a weapon accessory, and at least one accessory engagement slot for latchable engagement by the accessory. The aim axis is generally perpendicular to the sight base axis. The system typically includes two detent elements disposed in the base portion for actuatable protrusion of a portion of the detent elements into the channel for providing a clamping force and adjustment of the rail pitch angle.

Abstract: A sighting assembly for a firearm includes a scope and a mounting clamp. The mounting clamp includes a ring cap and a ring base that cooperate to surround and hold the scope. The ring cap and ring base securely grip the scope without damaging the scope. Clamping forces are generally tangent to the scope to minimize or limit the formation of dents, grooves, or other types of marring and/or damage to optics or the body of the scope.

Abstract: A coupler apparatus for releasably securing an object to a support member, is described. The mounting apparatus includes a connector joined to the object and having a tapered plug with a slot that extends inward from an outer wall of the plug. The apparatus further includes a base with an internal cavity extending between opposed side walls of the base. The base may be integral with the support member and has an aperture with an internal wall arrangement including an orifice wherein the aperture is dimensioned for reception of the plug. A keeper is slidable positioned within the internal cavity and has a finger that extends though the orifice and into the slot to retain the plug within the aperture.

Abstract: An adjustable accessory mounting clamp for mounting an accessory to an accessory rail, including an accessory band, a primary locking arm, a secondary locking arm, and a threaded adjustment rod that is anchored, at a first end, to the primary locking arm, extends through an aperture in the secondary locking arm, and is threadedly coupled to a cam lever pin of a cam lever, wherein the cam lever includes at least one camming surface, such that when the cam lever is in a closed position, the camming surface contacts an outer surface portion of the secondary locking arm to provide tension to the threaded adjustment rod, such that a distance between the primary locking claw and the secondary locking claw is adjusted to accommodate varying width accessory mounting rails.

Abstract: A semi-automatic or automatic rifle is provided the rifle having: a receiver having a hand guard portion; a barrel having a bore, the bore removably connected to the receiver, the hand guard portion surrounding at least a portion of the barrel; a gas block having a forward end and a rearward end aligned with the barrel; a sleeve removably secured to the forward end of the gas block; a piston slidably received within the gas block, wherein the gas block and the sleeve fluidly couple the piston to the bore of the barrel; wherein an increase in pressure in the bore of the barrel causes the piston to move away from the sleeve; and wherein the sleeve and the piston are each capable of being removed from the rifle through the forward end of the gas block without removing the gas block from the rifle.

Abstract: An improved mounting assembly is provided that is configured to be releasably attached to a standard dovetail rail profile, wherein the initial clamping tension of a clamping assembly is adjustable. The mounting assembly includes a main body having a lower portion that is configured to engage a standard dovetail and an upper portion accessory receiving formation. The lower portion of the mounting assembly has a first engagement member extending downwardly along one side thereof for engaging one side of the dovetail rail and a clamping assembly to engage the opposing side of the dovetail rail. At least one spring and a retention nut are provided as part of the clamping assembly such that retention nut controls the preset spring tension thereby controlling the clamping force applied by the clamping assembly. A lock lever connected to the actuator arm selectively locks the position of the retention nut on the threaded shaft.

Abstract: A mount for mounting an accessory (19) on a weapon comprises a base plate (12) with an upper surface and a lower surface, to be connected with the accessory. The base plate (12) is clamped to a rail (10) on the weapon with the lower surface engaging the rail. Two aligned first grooves (23) in the upper surface extend in the longitudinal direction of the rail and a third groove (24) in the upper surface of the base plate, extends transversely of the first grooves. First protrusions (25) on the lower surface of the accessory guidingly engage the first grooves, and a third protrusion (26) on the lower surface of the accessory located between the first protrusions engages the third groove (24) to prevent displacement of the accessory along the first grooves.

Abstract: A system for interchangeably mounting sighting devices on a plurality of firearms which includes one or more ring assemblies and one or more mounting assemblies. A sighting device is coupled to a mounting assembly using a ring assembly forming a mounting system. The system can then be mounted to one or more firearms using a single connector via two receptacles in the surface of the firearm. An entirely different sighting device and associated mounting system can be exchanged with the existing sighting device by removing the existing mounting system and replacing it with the new sighting device and mounting system. Each sighting device and mounting system are configured to have identical mounting assemblies that interface into standard receptacles in the firearm. In a similar manner a single sighting device and associated mounting system can be mounted on several firearms that each possess the two mounting receptacles.

Abstract: A semi-automatic or automatic rifle is provided. The semi-automatic or automatic rifle includes a receiver having an integral hand guard portion, a barrel having a bore. The bore is removably connected to the receiver, the hand guard portion extending over and surrounding the barrel, an indirect gas operating system has a gas block and a piston. The gas block has a cylinder, the gas block is fitted to the barrel, the cylinder is in communication with the bore. The piston has a piston end and a striking end, the piston end is fitted to the cylinder and has a bolt carrier having a striking surface. When a cartridge is fired, gas displaces the piston end and causes the striking end to strike the striking surface displacing the bolt assembly, wherein, the cylinder and the piston are together removable as an assembly from the firearm without disassembly of the rifle.

Abstract: A device mount for a weapon with a stabilizing function is provided. In one embodiment, the device mount includes a device bracket, a stabilizing tube and at least one stabilizing member. The device bracket has a support plate and a side plate that extends generally at a right angle from the support plate. The stabilizing tube is movably coupled to the side plate. The at least one stabilizing member is received in the stabilizing tube. Moreover, the at least one stabilizing member is configured to stabilize motion of the device bracket.

Abstract: An electro-optical device includes a mount assembly that reduces shock imparted to internal electro-optical components.

Abstract: An improved mounting assembly is provided that is configured to be releasably attached to a standard dovetail rail profile, wherein the initial clamping tension of the clamping actuator is adjustable. The mounting assembly generally includes a main body having a lower portion that is configured to engage a standard dovetail and an upper portion accessory receiving formation. The lower portion of the mounting assembly has a first engagement member extending downwardly along one side thereof for engaging one side of the dovetail rail and a clamping assembly to engage the opposing side of the dovetail rail. At least one spring and a retention nut are provided as part of the clamping assembly such that retention nut controls the preset spring tension thereby controlling the clamping force applied by the clamping assembly.

Abstract: A mounting assembly for mounting accessories to a dovetail rail on a firearm is provided. The mounting assembly includes a main body having a lower portion with a first engagement member extending downwardly along one side thereof and a clamping assembly installed into the main body opposite the engagement member such that the clamping assembly can be engaged and disengaged with the dovetail rail to hold the mounting assembly on the dovetail rail. In addition, a buffer pad is provided between the clamping assembly and the interface point on the dovetail rail to protect the rail from wear. The clamping assembly includes a means for retracting the buffer pad when the clamping assembly is in the disengaged position, the retraction means preferably being magnetic. Such that the buffer pad is held out of the way when mounting or dismounting the mounting assembly.

Abstract: A clamping device for coupling optical devices in coaxial, tandem alignment includes a front clamp assembly that has elastically deformable split collar halves tightenable onto a front optical device by a screw tightenable into bores disposed transversely through a pair of arms extending radially from the split collar halves. A rear optical device support protrudes rearward from the front clamp assembly, and has a releasable fastener such as a screw or dovetail joint for supporting a rear optical device in coaxial alignment with the front optical device. Preferably, the arm is mounted to the front clamp assembly by means of a pivotable joint which is latchable in a first, rearward position, and a second, forward position in which the rear optical device is positioned along the side of the front optical device, so that the front device may be used independently of the rear device.

Abstract: Embodiments include a method and apparatus for mounting one or more accessories to a rail of a firearm. A mounting member may be utilized for attaching the one or more accessories to the rail. Embodiments further include a method and apparatus for protecting a user from a discharging portion of a firearm. Some embodiments include a foregrip having a gripping portion and a guarding portion which may be used for protecting the user. In some embodiments, the guarding portion has a larger outer diameter than the gripping portion so that the guarding portion acts as a stop for the user's body parts.

Abstract: A scope mount base design which readily accepts onto a preexisting rear sight base without any alteration of the sight base except for the easy removal of the original sight leaf and mainspring. This scope mount invention achieves solid lockup by the use of the appropriate sized threaded support fixtures and scope mount configuration to successfully engage these rear sight slots that originally contained the sight leaf and mainspring, and thus achieve strong lockup of the scope mount to the sight base.

Abstract: A scope assembly includes an elongated viewing scope and a scope mount adapter. The viewing scope has first and second opposite ends, and at least one externally-threaded mounting post located between the opposite ends. The scope mount adapter includes a first connector having an internal screw thread mating with the external thread of the mounting post and a second connector designed for releasably engaging an accessory mounted to the scope.

Abstract: Systems and methods for mounting accessories to a firearm are disclosed. The systems include a rail connector and quick release device for mounting on a firearm. The connector includes at least one mounting rail and a fastening member for securely fastening the connector directly to the firearm. The quick release is then mounted to the mounting rail.

Abstract: A connecting piece couplable to a rail of a weapon is described. An example connecting pieces includes a first retaining element including a first receiving region configured to engage a corresponding first counterface of the rail. The example connecting piece also includes a second retaining element including a second receiving region configured to engage a corresponding second counterface of the rail. In addition, the example connecting piece includes a guide slot running diagonally to a longitudinal direction of the rail via which the first retaining element and the second retaining elements are coupled.

Abstract: An alignment and locking system includes a dovetailed male portion having partial female threads formed in a surface thereof, a housing having a dovetailed notch for slidingly receiving the male portion, and a screw assembly coupled to the housing. The screw assembly includes a rotatable rod having a threaded region that partially extends into the housing's notch. The threaded region includes a partially threaded portion and a fully threaded portion. The partially threaded portion is defined by (i) a first region that cannot engage the partial female threads of the male portion as it slides in the notch, and (ii) a second region that can engage the partial female threads of the male portion as it slides in the notch. The system is further configured to impart a biased rotational movement to the rod to align the first region of the partially threaded portion with the notch when the male portion is not engaged in the notch.

Abstract: An improved mounting assembly is provided that is configured to be releasably mounted onto a standard dovetail rail profile and includes a positive index that corresponds to a fully opened position. The mounting assembly includes a boss formation that extends from one side thereof. A foot portion and an actuator arm are installed into the boss formation and serve as a means for engaging and disengaging the mounting assembly relative to the dovetail rail. An indexing formation is provided on the boss and is configured such that the indexing formation engages the clamping assembly to prevent over rotation of the foot portion and thus allowing the actuator arm to be positioned in a fully disengaged, open position where the foot portion will not interfere with removal or installation of the mounting assembly relative to the rail.

Abstract: The quick release gun sight adapter includes a scope adapter, a red dot sight adapter, a locking block, a spring loaded ramped blade, and a spring loaded latch piston. The red dot sight adapter is attachable to a red dot sight and the ramped blade is attached to the red dot sight adapter. The ramped blade is rotatably attachable to the scope adapter, and the scope adapter is rotatably adapted to hold the ramped blade such that when the ramped blade is attached to the scope adapter, and the ramped blade and the red dot sight adapter are rotated the ramped blade engages the locking block and locks the ramped blade into place. The piston communicates with the locking block such that when actuated the piston engages the locking block such that the ramped blade and red dot sight adapter may be rotated and unattached from the scope adapter.

Abstract: An improved mounting assembly is provided that is configured to be releasably attached to a standard dovetail rail profile, wherein the initial clamping tension of the clamping actuator is adjustable. The mounting assembly generally includes a main body having a lower portion that is configured to engage a standard dovetail and an upper portion accessory receiving formation. The lower portion of the mounting assembly has a first engagement member extending downwardly along one side thereof for engaging one side of the dovetail rail and a clamping assembly to engage the opposing side of the dovetail rail. At least one spring and a retention nut are provided as part of the clamping assembly such that a retention nut, which is locked relative to the clamping assembly, controls the preset spring tension thereby controlling the clamping force applied by the clamping assembly.