Hinged firearm receiver
View Patent ↗Provided is a hinged firearm receiver configured to operate with an AR-pattern Bolt carrier group, buffer, buffer spring, and buffer tube. The firearm upper receiver has an integral hinge that connects to a rear receiver body and provides an AR-pattern firearm the ability to have a folding stock to reduce length for storage or transportation purposes.
1. A hinged firearm receiver set comprising: a lower receiver body; a rear receiver body configured to receive a buttstock; an upper receiver body; a dead hinge section connected to the upper receiver body; an active hinge section integral to the rear receiver body; a hinge joint configured to connect the upper receiver body and the rear receiver body allowing movement between an open and closed position; and wherein the dead hinge section and the upper receiver body are a unitary body.
2. The hinged firearm receiver of claim 1 , wherein said firearm receiver contains a latch assembly that holds the rear receiver in the closed position.
3. The hinged firearm receiver of claim 1 , wherein said firearm receiver contains a blocking feature to interrupt the bolt carrier group passage.
4. The hinged firearm receiver of claim 1 , wherein said firearm receiver contains a latch assembly that automatically holds the rear receiver in the closed position.
5. The hinged firearm receiver of claim 1 , wherein said firearm receiver contains a latch assembly that comprises a spring.
6. The hinged firearm receiver of claim 1 , wherein said firearm receiver contains a latch assembly that comprises a button.
7. The hinged firearm receiver of claim 1 , wherein said rear receiver contains a buffer retaining feature.
8. The hinged firearm receiver of claim 1 , wherein said rear receiver contains a buffer tube receiving thread portion.
9. A hinged firearm receiver set comprising: a lower receiver body; a rear receiver body configured to receive a buttstock; an upper receiver body; a dead hinge section connected to the upper receiver body; an active hinge section integral to the rear receiver body; a hinge joint configured to connect the upper receiver body and the rear receiver body allowing movement between an open and a closed position; a latch assembly that holds the rear receiver in the closed position; a buffer retainer feature within the rear receiver body; a buffer tube receiving thread portion integral to the rear receiver body; and wherein the dead hinge section and the upper receiver body are a unitary body.
10. The hinged firearm receiver of claim 1 including a bolt operable to reciprocate between a recoil position and a battery position, and the bolt having a rear end forward of a rear end of the upper receiver body when the bolt is in the battery position.
11. The hinged firearm receiver of claim 9 including a bolt operable to reciprocate between a recoil position and a battery position, and the bolt having a rear end forward of a rear end of the upper receiver body when the bolt is in the battery position.