Firearm
AssigneeRock River Arms, Inc.
InventorsMark Larson, Lester Larson, Jr.
Life of this patent
Estimating the term…
Abstract
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.
Claims11
A firearm comprising:
- a lower receiver,
- an upper receiver mounted to the lower receiver,
- a bolt carrier positioned within the upper receiver,
- a barrel mounted to the upper receiver,
- a handguard surrounding at least part of the barrel,
- a trigger assembly, the trigger assembly including a trigger and a hammer,
- an auto sear, wherein the auto sear operatively contacts the hammer, and
- an 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.
A device for providing fully-automatic firing capability for a firearm which includes an auto sear, the device comprising:
- an auto bracket, the auto bracket further comprising:
- a pair of rails,
- a transversely extending support bracket joining the pair of rails,
- a first pair of guides extending from the rails, and
- a second pair of guides extending from the rails,
- wherein the transversely extending support bracket is configured to receive and contact the auto sear.
Dependencies are inferred from the claim text.