MODULAR FIREARM HANDGUARD WITH INTEGRATED USER INTERFACE
A device for use with a firearm. The device may include a body for receiving the barrel of a firearm, a system board, a microcontroller, and a memory component. The device may have a plurality of cavities and a plurality of subcomponents located within the plurality of cavities. The device may include a plurality of buttons, such that the plurality of buttons are operably connected to the plurality of subcomponents.
This application claims priority to U.S. Provisional Patent Application No. 63/720,614 filed on Nov. 14, 2024, the entire contents of which are incorporated herein by reference for all purposes.
BACKGROUND OF THE INVENTIONFirearm handguards are structures mounted to the barrel or receiver interface of a firearm to provide the user with a gripping surface, protect the hand from barrel heat, facilitate accessory mounting, and, in some configurations, contribute to barrel protection and limited impact resistance. Over time, handguard technologies have evolved from simple wooden or polymer fore-ends to advanced modular assemblies incorporating heat shields, free-float architectures, and standardized accessory interfaces.
With the widespread adoption of optical sights, illumination tools, aiming lasers, foregrips, and sling hardware, accessory interface standards have become a central feature of contemporary handguards. Common interfaces include MIL-STD-1913 (Picatinny) rails, modular negative-space systems such as M-LOK, and slot-based interfaces such as KeyMod. These systems provide flexible mounting positions along the handguard's length and circumference, enabling user-specific configuration. Free-float handguards, which mechanically isolate the handguard from the barrel by anchoring to the barrel nut or upper receiver, are prevalent in certain rifle platforms to reduce external influences on barrel harmonics and improve potential accuracy.
Accessory mounting presents additional trade-offs. Full-length Picatinny rails add significant weight and can create sharp, abrasive edges. Negative-space systems reduce weight and bulk but can be susceptible to localized stress, potential fastener loosening, or wear at the interface over time. Alignment, repeatability, and torque management for mounted accessories, particularly at the 12 o'clock position interfacing with upper receiver rails, can be sensitive to manufacturing tolerances and assembly practices. Some handguards exhibit rail height or concentricity mismatches that complicate co-witnessing sights or maintaining zero for aiming devices.
While current firearm handguards offer modularity, free-float performance, and broad accessory compatibility, they frequently involve trade-offs among heat mitigation, weight, rigidity, ergonomics, alignment, installation complexity, and long-term retention. There remains a need for handguard systems that improve thermal performance without added bulk, maintain structural rigidity with reduced mass, simplify secure attachment while preserving alignment with receiver interfaces, and enhance accessory mounting stability with improved ergonomics and serviceability.
SUMMARY OF THE INVENTIONFurther advantages, features, and details of the invention are elucidated on the basis of preferred embodiments thereof, wherein reference is made to the accompanying drawings.
Aspects herein are directed to a handguard for a firearm comprising a first longitudinal end, a second longitudinal end, and an opening extending between the first longitudinal end and the second longitudinal end, wherein the opening is configured to receive a barrel of the firearm. The handguard may further comprise a first side and a second side extending between the first longitudinal end and the second longitudinal end. In some aspects, an upper end may be at least partially defined by a mounting rail, and a lower end may be at least partially defined by a battery compartment, wherein the battery compartment is located below a barrel of the firearm when in an installed configuration. In some aspects, the first longitudinal end may further comprise a first mounting cavity and a second mounting cavity. In other aspects, the handguard may further comprise a system board having a microcontroller and a memory, wherein the system board is positioned proximate to the upper end of the handguard.
In accordance with aspects herein, the first longitudinal end may further comprise a first cavity, and a range finder positioned within the first cavity.
In some aspects, the handguard may further comprise an infrared laser positioned within the first cavity, and a visible laser capable of omitting light visible to a human eye, the visible laser positioned within the second mounting cavity.
In some aspects, the infrared laser and the visible laser may be electrically connected to the system board.
In some aspects, the first side or the second side may further comprise a plurality of buttons, wherein at least one of the plurality of buttons is electrically connected to the infrared laser, and at least one of the plurality of buttons is electrically connected to the visible laser.
In some aspects, the system board, the microcontroller, and the memory may be operably coupled to the plurality of buttons, such that the plurality of buttons operate the infrared laser and the visible laser.
In some aspects, the handguard may further comprise an audio input device, and wherein at least one button of the plurality of buttons is operably connected to the audio input device.
In some aspects, the microcontroller and the audio input device may be operably connected to transmit audio data to a remote operator.
In some aspects, the first plurality of buttons and the second plurality of buttons may be positioned to align with fingers of a user when the handguard is in the installed configuration.
In some aspects, the first side or the second side may further comprise a recess and a barrel nut positioned within the recess.
Aspects herein are directed to a device comprising a body having an opening configured to receive a barrel of a firearm, a battery compartment, a microcontroller and a system board. The device may comprise a first end having a first laser cavity and a second laser cavity, wherein the first laser cavity comprises an infrared laser and wherein the second laser cavity comprises a visible laser. The device may further comprise a second end, and a first side having a first plurality of buttons, a charging port, a barrel nut retention bolt, and a second side having a second plurality of buttons. In some aspects, the first plurality of buttons, the second plurality of buttons, the first infrared laser and the visible laser may be electrically coupled to the system board.
In some aspects, the device may further comprise an audio input device, wherein at least one button of the plurality of buttons is operably connected to the audio input device.
In some aspects, the microcontroller and the audio input device are operably connected to transmit audio data to a remote operator.
In some aspects, the device may further comprise an output port for transmitting data to an external device.
In some aspects, the external device may comprise a display device containing a graphical user interface.
In some aspects, the device may further comprise a shot counter.
Aspects herein are directed to a device comprising a body having a first longitudinal end, a second longitudinal end, a first vertical end, and a second vertical end. The device may further comprise a barrel cavity having a first opening on the first longitudinal end and a second opening on the second longitudinal end, wherein the barrel cavity is configured to receive a barrel of a firearm. The device may further comprise a battery compartment, a microcontroller, a memory operably connected the microcontroller. In some aspects, the first end may further comprise a first cavity, a second cavity, and a third cavity. The first side may comprise a first plurality of buttons operably connected to the microcontroller and the memory, a charging port, and a barrel nut retention bolt. In some aspects, the device may further comprise a second side having a second plurality of buttons operably connected to the microcontroller and the memory.
In some aspects, the microcontroller may be used to program the memory to map an individual button of the first plurality of buttons or the second plurality of buttons to a function of a component mounted in one of the first cavity, the second cavity, or the third cavity.
In some aspects, the component mounted in the first cavity, the second cavity, or the third cavity may be an infrared light, a visible light, a shot counter, or an audio input device.
In some aspects, the first plurality of buttons and the second plurality of buttons may be positioned to align with fingers of a user when the device is in an installed configuration.
In the accompanying drawings, which form a part of the specification and are to be read in conjunction therewith in which like reference numerals are used to indicate like or similar parts in the various views:
The invention will now be described with reference to the drawing figures, in which like reference numerals refer to like parts throughout. For purposes of clarity in illustrating the characteristics of the present invention, proportional relationships of the elements have not necessarily been maintained in the drawing figures. It will be appreciated that any dimensions included in the drawing figures are simply provided as examples and dimensions other than those provided therein are also within the scope of the invention.
The following detailed description of the invention references specific embodiments in which the invention can be practiced. The embodiments are intended to describe aspects of the invention in sufficient detail to enable those skilled in the art to practice the invention. Other embodiments can be utilized and changes can be made without departing from the scope of the present invention. The present invention is defined by the appended claims and the description is, therefore, not to be taken in a limiting sense and shall not limit the scope of equivalents to which such claims are entitled.
In accordance with aspects herein, the first longitudinal end 104 may alternatively be referred to as the “muzzle end” of the device 100. The term “muzzle end” means that when the device 100 is in the installed configuration, the muzzle end of a firearm may be located proximate to the first longitudinal end 104 of the device 100. In some aspects, the muzzle end of a firearm may be offset from, but still located proximate to the first longitudinal end 104 of the device 100. For example, in
In accordance with aspects herein, the second longitudinal end 106 may alternatively be referred to as the “abutting end” of the device 100. The term “abutting end” means that when the device 100 is in the installed configuration, a central portion of a firearm may be located proximate to the second longitudinal end 106 of the device 100. Furthermore, the second longitudinal end may abut the central portion of the firearm. In some aspects, the “abutting end” may directly abut a central portion of the firearm, and in other aspects the “abutting end” of the device 100 may be offset from, but still located proximate to a central portion of the firearm.
In accordance with aspects herein, the second vertical end 110 may alternatively be referred to as the “lower end” of the device 100. Thus, when the device 100 in the installed configuration, the second vertical end 110 is located vertically below the barrel of the firearm. In some aspects, the second vertical end 110 may comprise a battery compartment 216 mounted thereon. In some aspects, the battery compartment 216 may be integrally formed within the second vertical end 110, and in other aspects, the battery compartment 216 may be installed on the second vertical end 110 as a separate component. In accordance with aspects herein, the battery compartment 216 may be sized to house and receive a battery. In some aspects, the battery may be a disposable battery, and in other aspects the battery may be rechargeable. In some aspects, the battery compartment 216 may comprise a hinged cover, in order to provide access to the battery compartment 216. In accordance with aspects herein, the device may comprise a system board 217 having a microcontroller 217a and a memory 217b.
In accordance with aspects herein, the device 100 may comprise a second side 319 that is symmetrical to the first side 318. In other words, the first side 318 and the second side 319 may comprise the same number and location of the recess 324 and the barrel nut 326. The second side 319 may also comprise the plurality of apertures 320. Furthermore, in some aspects herein, the second side 319 may be asymmetrical with respect to the first side 318. In other words, the second side 319 may have the recess 324 and the barrel nut 326 located in different locations than on the first side 318, and in some aspects, the second side 319 may omit the recess 324 and the barrel nut 326. Furthermore, the second side 319 may omit other aspects that may be present on the first side 318, such as the plurality of apertures 320.
In exemplary aspects herein, the first cavity 428 may comprise a range finder 429 positioned within the first cavity 428. The range finder 429 may be utilized to determine the distance between the device 100 and a target. In some aspects, the range finder 429 may display the distance between the device 100 and the target on a graphical user interface located on the device 100. In other aspects, the range finder 429 may output the distance between the device 100 and the target by way of auditory methods. For example, the range finder 429 may be electronically coupled to a speaker embedded within the device 100, and the speaker may then emit sounds that tell the user how far away the target is.
The second cavity 430 may comprise an infrared light source 431. The infrared light source 431 is designed to emit electromagnetic radiation in the infrared spectrum, typically ranging from 700 nanometers to 1 millimeter in wavelength. The infrared light source 431 may comprise a semiconductor-based light-emitting diode (LED) or laser diode, optimized for high efficiency and low thermal output. The infrared light source 431 may be encased within the any of the first cavity 428, the second cavity 430, or the third cavity 432. In other words, the depiction of an infrared light source 431 as being located within the second cavity 430 is merely exemplary, as the infrared light source 431 may be located elsewhere within the device 100.
The third cavity 432 may comprise a visible light source 433. The visible light source 433 is designed to emit electromagnetic radiation within the visible spectrum, typically ranging from 380 to 750 nanometers in wavelength. The visible light source 433 may comprise an advanced light-emitting diode (LED) technology to provide high brightness and energy efficiency. The visible light source 433 may be encased within the any of the first cavity 428, the second cavity 430, or the third cavity 432. In other words, the depiction of the visible light source 433 as being located within the third cavity 432 is merely exemplary, as the visible light source 433 may be located elsewhere within the device 100. In accordance with aspects herein, the infrared light source 431 and the visible light source 433 may be a laser device.
Turning to
Turning now to
The system board 217, the microcontroller 217a, and the memory 217b are depicted in
In accordance with aspects herein, the system board 217, memory and microprocessor may be positioned directly above the plurality of buttons 322, closer to the first vertical end 108. In other aspects, system board 217, memory 217b and microcontroller 217a may be located above the battery compartment 216. In yet another aspect, the system board 217, memory 217b and microcontroller 217a may be positioned towards the second longitudinal end 106. Any location of the system board 217, memory 217b and microcontroller 217a may be positioned In accordance with aspects herein, the plurality of buttons 322 may be operably connected to the range finder 429, the infrared light source 431, and the visible light source 433. Additionally, the plurality of buttons 322 may also be operably connects to the microcontroller 217a, the system board 217, and the memory 217b. Thus, when pressing any of the plurality of buttons, the microcontroller 217a, the system board 217 and the memory 217b may instruct one of the sub components to perform a function, such as turning on or turning off. For example, a first button 322a of the plurality of buttons 322 may be operably connected to any of the range finder 429, the infrared light source 431, or the visible light source 433. Pressing the first button 322a may then instruct the microcontroller 217a, the system board 217, and the memory 217b to turn on or turn off the range finder. In some aspects, the microcontroller 217a, the system board 217, and the memory 217b may instruct subcomponents of the device 100 by way of a wired communication, or by way of wireless communication. Similarly, a second button 322b and a third button 322c may be connected to any of the range finder 429, the infrared light source 431, or the visible light source 433. Additionally, each of the plurality of buttons 322 may be programmed to operate a different sub-component of the device. For example, the first button 322a may be programmed to be operate the range finder 429, or the first button 322a may alternatively be programmed to operate the infrared light source 431, or the visible light source 433.
Turning now to
From the foregoing, it will be seen that this invention is one well adapted to attain all the ends and objects hereinabove set forth together with other advantages which are inherent to the structure and method. It will be understood that certain features and sub combinations are of utility and may be employed without reference to other features and sub combinations. This is contemplated by and is within the scope of the claims. Since many possible embodiments of the invention may be made without departing from the scope thereof, it is also to be understood that all matters herein set forth or shown in the accompanying drawings are to be interpreted as illustrative and not limiting.
The constructions described above and illustrated in the drawings are presented by way of example only and are not intended to limit the concepts and principles of the present invention. Thus, there has been shown and described several embodiments of a novel invention. As is evident from the foregoing description, certain aspects of the present invention are not limited by the particular details of the examples illustrated herein, and it is therefore contemplated that other modifications and applications, or equivalents thereof, will occur to those skilled in the art. The terms “having” and “including” and similar terms as used in the foregoing specification are used in the sense of “optional” or “may include” and not as “required”. Many changes, modifications, variations and other uses and applications of the present construction will, however, become apparent to those skilled in the art after considering the specification and the accompanying drawings. All such changes, modifications, variations and other uses and applications which do not depart from the spirit and scope of the invention are deemed to be covered by the invention which is limited only by the claims which follow.
Claims
1. A handguard for a firearm, the handguard comprising:
- a first longitudinal end, a second longitudinal end, and an opening extending between the first longitudinal end and the second longitudinal end, wherein the opening is configured to receive a barrel of the firearm;
- a first side and a second side extending between the first longitudinal end and the second longitudinal end;
- an upper end at least partially defined by a mounting rail; and
- a lower end at least partially defined by a battery compartment, wherein the battery compartment is located below a barrel of the firearm when in an installed configuration;
- wherein the first longitudinal end further comprises a first mounting cavity and a second mounting cavity; and
- a system board having a microcontroller and a memory, wherein the system board is positioned proximate to the upper end of the handguard.
2. The handguard of claim 1, wherein the first longitudinal end further comprises a first cavity, and a range finder positioned within the first cavity.
3. The handguard of claim 1, further comprising an infrared laser positioned within the first cavity, and a visible laser capable of omitting light visible to a human eye, the visible laser positioned within the second mounting cavity.
4. The handguard of claim 3, wherein the infrared laser and the visible laser are electrically connected to the system board.
5. The handguard of claim 4, wherein the first side or the second side further comprises a plurality of buttons, wherein at least one of the plurality of buttons is electrically connected to the infrared laser, and at least one of the plurality of buttons is electrically connected to the visible laser.
6. The handguard of claim 5, wherein the system board, the microcontroller, and the memory are operably coupled to the plurality of buttons, such that the plurality of buttons operate the infrared laser and the visible laser.
7. The handguard of claim 5, further comprising an audio input device, and wherein at least one button of the plurality of buttons is operably connected to the audio input device.
8. The handguard of claim 7, wherein the microcontroller and the audio input device are operably connected to transmit audio data to a remote operator.
9. The handguard of claim 5, wherein the first plurality of buttons and the second plurality of buttons are positioned to align with fingers of a user when the handguard is in the installed configuration.
10. The handguard of claim 1, wherein the first side or the second side further comprises a recess and a barrel nut positioned within the recess.
11. A device comprising:
- a body having an opening configured to receive a barrel of a firearm;
- a battery compartment;
- a microcontroller and a system board;
- a first end having a first laser cavity and a second laser cavity, wherein the first laser cavity comprises an infrared laser and wherein the second laser cavity comprises a visible laser;
- a second end;
- a first side having: a first plurality of buttons; a charging port; a barrel nut retention bolt; and
- a second side having a second plurality of buttons;
- wherein the first plurality of buttons, the second plurality of buttons, the first infrared laser and the visible laser are electrically coupled to the system board.
12. The device of claim 11, further comprising an audio input device, and wherein at least one button of the plurality of buttons is operably connected to the audio input device.
13. The device of claim 12, wherein the microcontroller and the audio input device are operably connected to transmit audio data to a remote operator.
14. The device of claim 11, further comprising an output port for transmitting data to an external device.
15. The device of claim 14, wherein the external device is a display device containing a graphical user interface.
16. The device of claim 11, further comprising a shot counter.
17. A device comprising:
- a body having a first longitudinal end, a second longitudinal end, a first vertical end, and a second vertical end;
- a barrel cavity having a first opening on the first longitudinal end and a second opening on the second longitudinal end, wherein the barrel cavity is configured to receive a barrel of a firearm;
- a battery compartment;
- a microcontroller;
- a memory operably connected the microcontroller;
- wherein the first end further comprises a first cavity, a second cavity, and a third cavity;
- a first side having: a first plurality of buttons operably connected to the microcontroller and the memory; a charging port; and a barrel nut retention bolt;
- a second side having a second plurality of buttons operably connected to the microcontroller and the memory.
18. The device of claim 17, wherein the microcontroller may be used to program the memory to map an individual button of the first plurality of buttons or the second plurality of buttons to a function of a component mounted in one of the first cavity, the second cavity, or the third cavity.
19. The device of claim 18, wherein the component mounted in the first cavity, the second cavity, or the third cavity is an infrared light, a visible light, a shot counter, or an audio input device.
20. The device of claim 17, wherein the first plurality of buttons and the second plurality of buttons are positioned to align with fingers of a user when the device is in an installed configuration.
Type: Application
Filed: Nov 14, 2025
Publication Date: May 14, 2026
Inventors: Howard KAPLAN (Tampa, FL), Lucas TOMETICH (Tampa, FL), Adam David NICHOLS (Tampa, FL), Antionne BOWER (Tampa, FL)
Application Number: 19/390,242