A firearm having a gas piston system includes a bolt carrier, an adjustable gas piston block located forward on the firearm and an over-the-barrel spring and guide rod arrangement, all of which is housed and contained in a top rail that runs the length of the firearm and that maintains the alignment
A firearm having a gas piston system includes a bolt carrier, an adjustable gas piston block located forward on the firearm and an over-the-barrel spring and guide rod arrangement, all of which is housed and contained in a top rail that runs the length of the firearm and that maintains the alignment of these firearm components. The firearm further includes components that provide full auto firing capability. These components include a specially designed auto bracket that cooperates with a modified bolt carrier and a modified upper receiver.
대표청구항▼
1. A firearm comprising: a lower receiver,an upper receiver mounted to the lower receiver,a barrel mounted to the upper receiver,a handguard surrounding at least part of the barrel,an elongated mounting rail positioned above the upper receiver,a gas piston housing mounted to the elongated rail and p
1. A firearm comprising: a lower receiver,an upper receiver mounted to the lower receiver,a barrel mounted to the upper receiver,a handguard surrounding at least part of the barrel,an elongated mounting rail positioned above the upper receiver,a gas piston housing mounted to the elongated rail and positioned forward of the upper receiver,a piston and rod assembly operatively mounted to the gas piston housing and above the barrel, the piston and rod assembly operatively connected to a bolt carrier disposed in the upper receiver,a trigger assembly, the trigger assembly including a trigger and a hammer,an auto sear, wherein the auto sear operatively contacts the hammer, andan auto bracket slidably mounted to the upper receiver and to the bolt carrier, the auto bracket defining opposing rails connected by a transversely extending support bracket and an opening in the support bracket for receiving and contacting the auto sear. 2. The firearm of claim 1, further comprising an adjustable gas regulator mounted to the gas piston housing. 3. The firearm of claim 2, further comprising a gas plug screw mounted to the gas piston housing. 4. The firearm of claim 2, wherein the auto bracket defines a pair of rails joined by a bracket, a first pair of guides extending from the rails for mounting to the upper receiver, and a second pair of guides extending from the rails for mounting to the bolt carrier. 5. The firearm of claim 1, wherein the rails include opposing guides extending outwardly from the rails. 6. The firearm of claim 5, wherein the upper receiver defines at least one elongated groove for receiving at least one of the guides. 7. The firearm of claim 5, wherein the bolt carrier defines at least one elongated slot for receiving at least one of the guides. 8. The firearm of claim 1, wherein the auto bracket defines a pair of rails joined by a transversely extending bracket, a first pair of guides extending from the rails, and a second pair of guides extending from the rails. 9. The firearm of claim 8, wherein the first pair of guides slidably engages the upper receiver and the second pair of guides slidably engages the bolt carrier. 10. The firearm of claim 8, wherein the second pair of guides defines an end stop. 11. The firearm of claim 8, further comprising a pistol grip mounted to the lower receiver. 12. The firearm of claim 1, further comprising a guide rod base mounted to an end of the rod. 13. The firearm of claim 1, further comprising a flash hider mounted to an end of the barrel. 14. The firearm of claim 1, wherein the mounting rail is configured to mount firearm accessories, including lights and optics. 15. The firearm of claim 1, further comprising a charging handle that includes foldable ears. 16. The firearm of claim 15, wherein the charging handle is non-reciprocating. 17. A firearm comprising: a lower receiver,an upper receiver mounted to the lower receiver,a barrel mounted to the upper receiver,a handguard surrounding at least part of the barrel,an elongated mounting rail positioned above the upper receiver,a trigger assembly, the trigger assembly including a trigger and a hammer,an auto sear, wherein the auto sear operatively contacts the hammer, andan auto bracket slidably mounted to the upper receiver and to a bolt carrier, the auto bracket defining opposing rails connected by a transversely extending support bracket and an opening in the support bracket for receiving and contacting the auto sear. 18. The firearm of claim 17, wherein the rails include a plurality of guides extending outwardly from the rails. 19. The firearm of claim 18, wherein the upper receiver defines at least one elongated groove for receiving at least one of the guides. 20. The firearm of claim 19, wherein the bolt carrier defines at least one elongated slot for receiving at least one of the guides. 21. The firearm of claim 17, wherein the rails include a first pair of guides extending from the rails, and a second pair of guides extending from the rails. 22. The firearm of claim 21, wherein the first pair of guides slidably engages the upper receiver and the second pair of guides slidably engages the bolt carrier. 23. A firearm comprising: a lower receiver,an upper receiver mounted to the lower receiver,a barrel mounted to the upper receiver,a handguard surrounding at least part of the barrel,an elongated mounting rail positioned above the upper receiver,a trigger assembly, the trigger assembly including a trigger and a hammer,an auto sear, wherein the auto sear operatively contacts the hammer, andan auto bracket slidably mounted to the upper receiver and to a bolt carrier, the auto bracket defining a pair of rails joined by a transversely extending support bracket, a first pair of guides extending from the rails, and a second pair of guides extending from the rails, and the auto bracket for receiving and contacting the auto sear. 24. The firearm of claim 23, wherein the first pair of guides slidably engages the upper receiver and the second pair of guides slidably engages the bolt carrier.
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이 특허에 인용된 특허 (16)
Smith Alan K. (211 Betty Dr. Richardson TX 75080) Alexander Stephen R. (814 Scottsdale Dr. Richardson TX 75080), Ambidextrous gun magazine release.
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