A modular integrated rail system for a firearm includes an upper hand guard having a dovetail rail extending longitudinally between the forward end and the rearward end thereof. The rearward end of the upper hand guard includes a clamp that removably secures the upper hand guard to the barrel nut of
A modular integrated rail system for a firearm includes an upper hand guard having a dovetail rail extending longitudinally between the forward end and the rearward end thereof. The rearward end of the upper hand guard includes a clamp that removably secures the upper hand guard to the barrel nut of the firearm. The rearward end of the upper hand guard and the clamp include clamping surfaces configured to cooperatively engage the outer surface of the barrel nut. The upper hand guard further includes mounting channels that are used to mount accessories, such as a lower hand guard or a grenade launcher, to the upper hand guard. The rear end of the upper hand guard includes alignment tabs for automatically aligning the dovetail rail of the upper hand guard with the dovetail rail of the upper receiver during mounting. The tabs also prevent rotation of the rail system relative to the upper receiver during use.
대표청구항▼
What is claimed: 1. A modular integrated rail system for a firearm, said firearm including an upper receiver having a forward end and a rearward end, said upper receiver further including a dovetail rail extending longitudinally between the forward end and the rearward end, said upper receiver stil
What is claimed: 1. A modular integrated rail system for a firearm, said firearm including an upper receiver having a forward end and a rearward end, said upper receiver further including a dovetail rail extending longitudinally between the forward end and the rearward end, said upper receiver still further having a barrel receiving receptacle at a forward end thereof, said firearm further including a barrel received in said barrel receiving receptacle and a barrel nut received around an outer surface of said barrel receiving receptacle to retain said barrel within said barrel receiving receptacle, said barrel nut including an outer surface and a toothed flange, said modular integrated rail system comprising: an upper hand guard having a forward end and a rearward end, and further having a dovetail rail extending longitudinally between the forward end and the rearward end; and a clamp removably secured to said rearward end of said upper hand guard, said rearward end of said upper hand guard and said clamp each comprising a clamping surface configured to cooperatively engage said outer surface of said barrel nut and thereby support said upper hand guard on said barrel nut, wherein said upper hand guard extends from said forward end of said upper receiver forwardly above said barrel without engaging said firearm forward of said barrel nut, and further wherein said dovetail rail of said upper hand guard extends forwardly in linear alignment with said dovetail rail of said upper receiver. 2. The modular integrated rail system of claim 1 further comprising a lower firearm accessory, said upper hand guard and said lower firearm accessory including interfitting mating formations for removably securing said lower firearm accessory to said upper hand guard. 3. The modular integrated rail system of claim 2 wherein said upper hand guard and said lower firearm accessory are substantially semi-cylindrical. 4. The modular integrated rail system of claim 3 wherein said lower firearm accessory comprises a lower hand guard. 5. The modular integrated rail system of claim 2 wherein said lower firearm accessory comprises a lower hand guard. 6. The modular integrated rail system of claim 2 wherein said lower firearm accessory comprises a grenade launcher. 7. The modular integrated rail system of claim 1 wherein said upper hand guard is semi-cylindrical. 8. A modular integrated rail system for a firearm, said firearm including an upper receiver having a forward end and a rearward end, said upper receiver further including a dovetail rail extending longitudinally between the forward end and the rearward end, said upper receiver still further having a barrel receiving receptacle at a forward end thereof, said firearm further including a barrel received in said barrel receiving receptacle and a barrel nut received around an outer surface of said barrel receiving receptacle to retain said barrel within said barrel receiving receptacle, said modular integrated rail system comprising: an upper hand guard having a forward end and a rearward end, and further having a dovetail rail extending longitudinally between the forward end and the rearward end; and a clamp removably secured to said rearward end of said upper hand guard, said rearward end of said upper hand guard and said clamp each comprising a clamping surface configured to cooperatively engage an outer surface of said barrel nut and thereby support said upper hand guard on said barrel nut, wherein said upper hand guard extends from said forward end of said upper receiver forwardly above said barrel without engaging said barrel, further wherein said dovetail rail of said upper hand guard extends forwardly in linear alignment with said dovetail rail of said upper receiver, and still further wherein said upper hand guard includes symmetrically opposing side walls that extend outwardly and downwardly from said dovetail rail, said opposing side walls terminating in symmetrically opposing longitudinally extending mounting channels. 9. The modular integrated rail system of claim 8 wherein each of said longitudinally extending mounting channels has an upper wall and a lower wall, and said lower wall comprises a plurality of spaced wall segments. 10. The modular integrated rail system of claim 9 further comprising a lower firearm accessory having symmetrically opposing sidewalls that extend outwardly and upwardly, said symmetrically opposing sidewalls including protrusions that interfittingly engage within said mounting channels, said protrusions comprising a plurality of spaced protrusions that matingly interfit between said spaced wall segments. 11. The modular integrated rail system of claim 10 wherein said upper hand guard and said lower firearm accessory are substantially semi-cylindrical. 12. The modular integrated rail system of claim 11 wherein said lower firearm accessory comprises a lower hand guard. 13. The modular integrated rail system of claim 10 wherein said lower firearm accessory comprises a lower hand guard. 14. The modular integrated rail system of claim 10 wherein said lower firearm accessory comprises a grenade launcher. 15. The modular integrated rail system of claim 9 wherein said upper hand guard is semi-cylindrical. 16. The modular integrated rail system of claim 8 further comprising a lower firearm accessory having symmetrically opposing sidewalls that extend outwardly and upwardly, said symmetrically opposing sidewalls including protrusions that interfittingly engage within said mounting channels. 17. The modular integrated rail system of claim 16 wherein said upper hand guard and said lower firearm accessory are substantially semi-cylindrical. 18. The modular integrated rail system of claim 17 wherein said lower firearm accessory comprises a lower hand guard. 19. The modular integrated rail system of claim 16 wherein said lower firearm accessory comprises a lower hand guard. 20. The modular integrated rail system of claim 16 wherein said lower firearm accessory comprises a grenade launcher. 21. The modular integrated rail system of claim 8 wherein said upper hand guard is semi-cylindrical. 22. A modular integrated rail system for a firearm, said firearm including an upper receiver having a forward end and a rearward end, said upper receiver further including a dovetail rail extending longitudinally between the forward end and the rearward end, said upper receiver still further having a barrel receiving receptacle at a forward end thereof, said firearm further including a barrel received in said barrel receiving receptacle and a barrel nut received around an outer surface of said barrel receiving receptacle to retain said barrel within said barrel receiving receptacle, said modular integrated rail system comprising: an upper hand guard having a forward end and a rearward end, and further having a dovetail rail extending longitudinally between the forward end and the rearward end; and a clamp removably secured to said rearward end of said upper hand guard, said rearward end of said upper hand guard and said clamp each comprising a clamping surface configured to cooperatively engage an outer surface of said barrel nut and thereby support said upper hand guard on said barrel nut, wherein said upper hand guard extends from said forward end of said upper receiver forwardly above said barrel without engaging said barrel and further wherein said dovetail rail of said upper hand guard extends forwardly in linear alignment with said dovetail rail of said upper receiver, said modular integrated rail system further comprising a dovetail sleeve having a forward end, a rearward end, an upper surface and a lower surface, said upper surface including a dovetail rail extending longitudinally between said forward end and said rearward end, said lower surface including a channel configured and arranged to be received over said linearly aligned dovetail rails of said upper receiver and said upper hand guard, said dovetail sleeve further comprising a clamping bar for releasably retaining said dovetail sleeve in assembled relation with upper receiver and said upper hand guard. 23. A modular integrated rail system for a firearm, said firearm including an upper receiver having a forward end and a rearward end, said upper receiver further including a dovetail rail extending longitudinally between the forward end and the rearward end, said upper receiver still further having a barrel receiving receptacle at a forward end thereof, said firearm further including a barrel received in said barrel receiving receptacle and a barrel nut received around an outer surface of said barrel receiving receptacle to retain said barrel within said barrel receiving receptacle, said modular integrated rail system comprising: an upper hand guard having a forward end and a rearward end, and further having a dovetail rail extending longitudinally between the forward end and the rearward end; and a clamp removably secured to said rearward end of said upper hand guard, said rearward end of said upper hand guard and said clamp each comprising a clamping surface configured to cooperatively engage an outer surface of said barrel nut and thereby support said upper hand guard on said barrel nut, wherein said upper hand guard extends from said forward end of said upper receiver forwardly above said barrel without engaging said barrel and further wherein said dovetail rail of said upper hand guard extends forwardly in linear alignment with said dovetail rail of said upper receiver, said modular integrated rail system further comprising alignment tabs extending from said rearward end of said upper hand guard, said alignment tabs being configured and arranged to engage the side walls of the upper receiver of said firearm, said alignment tabs providing rotational alignment of said hand guard to the upper receiver and further preventing rotation relative to the upper receiver during use. 24. The modular integrated rail system of claim 23 wherein said alignment tabs are integrally formed with said upper hand guard. 25. The modular integrated rail system of claim 23 wherein said alignment tabs are releasably secured to said upper hand guard. 26. The modular integrated rail system of claim 23 wherein said alignment tabs are adjustable relative to said upper receiver of said firearm. 27. A modular integrated rail system for a firearm, said firearm including an upper receiver having a forward end and a rearward end, said upper receiver further including a dovetail rail extending longitudinally between the forward end and the rearward end, said upper receiver still further having a barrel receiving receptacle at a forward end thereof, said firearm further including a barrel received in said barrel receiving receptacle and a barrel nut received around an outer surface of said barrel receiving receptacle to retain said barrel within said barrel receiving receptacle, said modular integrated rail system comprising: an upper hand guard having a forward end and a rearward end, and further having a dovetail rail extending longitudinally between the forward end and the rearward end; and a clamp removably secured to said rearward end of said upper hand guard, said rearward end of said upper hand guard and said clamp each comprising a clamping surface configured to cooperatively engage an outer surface of said barrel nut and thereby support said upper hand guard on said barrel nut, wherein said upper hand guard extends from said forward end of said upper receiver forwardly above said barrel without engaging said barrel and further wherein said dovetail rail of said upper hand guard extends forwardly in linear alignment with said dovetail rail of said upper receiver, said modular integrated rail system further comprising fasteners for releasably securing the clamp to the upper hand guard and retainers configured and arranged to maintain the fasteners in assembled relation with one of the clamp and the upper hand guard. 28. A modular integrated rail system for a firearm, said firearm including an upper receiver having a forward end and a rearward end, said upper receiver further including a dovetail rail extending longitudinally between the forward end and the rearward end, said upper receiver still further having a barrel receiving receptacle at a forward end thereof, said firearm further including a barrel received in said barrel receiving receptacle and a barrel nut received around an outer surface of said barrel receiving receptacle to retain said barrel within said barrel receiving receptacle, said barrel nut including a cylindrical outer surface and a toothed flange at a forward end thereof, said modular integrated rail system comprising: an upper hand guard having a forward end and a rearward end, and further having a dovetail rail extending longitudinally between the forward end and the rearward end; and a clamp removably secured to said rearward end of said upper hand guard, said rearward end of said upper hand guard and said clamp each comprising a clamping surface configured and arranged to cooperatively engage said outer surface of said barrel nut from a rear edge of said barrel nut forwardly to said toothed flange and thereby support said upper hand guard on said barrel nut without engaging said firearm forward of said barrel nut, said rearward end of said upper hand guard and said clamp each further comprising a groove configured and arranged to accommodate said toothed flange of said barrel nut, said upper hand guard extending from said forward end of said upper receiver forwardly above said barrel with said dovetail rail of said upper hand guard in linear alignment with said dovetail rail of said upper receiver. 29. The modular integrated rail system of claim 28 further comprising alignment tabs extending from said rearward end of said upper hand guard, said alignment tabs being configured and arranged to engage the side walls of the upper receiver of said firearm, said alignment tabs providing rotational alignment of said hand guard to the upper receiver and further preventing rotation relative to the upper receiver during use. 30. The modular integrated rail system of claim 29 wherein said alignment tabs are integrally formed with said upper hand guard. 31. The said modular integrated rail system of claim 28 further comprising a dovetail sleeve having a forward end, a rearward end, an upper surface and a lower surface, said upper surface including a dovetail rail extending longitudinally between said forward end and said rearward end, said lower surface including a channel configured and arranged to be received over said linearly aligned dovetail rails of said upper receiver and said upper hand guard, said dovetail sleeve further comprising a clamping bar for releasably retaining said dovetail sleeve in assembled relation with upper receiver and said upper hand guard. 32. The modular integrated rail system of claim 28 further comprising a lower firearm accessory, said upper hand guard and said lower firearm accessory including interfitting mating formations for removably securing said lower firearm accessory to said upper hand guard.
Mooney ; deceased Aurelius A. (late of Columbia SC) Mooney ; personal representative by Virginia R. (304 Park Springs Rd. Columbia SC 29223) Schmitter Edward P. (1631 Fuller Rd. Blythewood SC 29016) , Universal mount for rifle.
Peterson, Morris; Peterson, Matthew; Overbey, Jr., Charles Robert; Vance, Gary; McCormick, William, Tactical firearm systems and methods of manufacturing same.
Genes, Mark A.; Clarke, Brandon R.; Austin, Christopher; Holzmeyer, Michael; Jones, Daniel V.; Knepp, Jeremy M.; Taylor, Lucius A.; Gatewood, Barry, Weapon mounted adapter.
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