Patent ID: 11898813
Assignee: GIBBENS ENGINEERING GROUP, LLC
Field: Other special machines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 4:
5. A carbine assembly comprising:
a lower receiver with a magazine fillable with ammunition, the magazine removably coupled to the lower receiver, wherein the lower receiver comprises:
a right-side gap and a left-side gap for receiving a control arm through the right-side gap for a right-hand shooter or receiving the control arm through the left-side gap for a left-hand shooter; and
a gap filling device removably coupled to the left-side gap for a right-hand shooter and coupled to the right-side gap for a left-hand shooter;

an upper receiver configured for a left-hand shooter or a right-hand shooter;
a bolt stop/feed assembly coupled within the upper receiver and the lower receiver and operatively coupled to the control arm, the bolt stop/feed assembly comprising a bolt stop rotatably coupled to a feed ramp, wherein the bolt stop rotates with respect to the feed ramp and the bolt stop/feed assembly is configured to feed ammunition into a barrel of the carbine assembly and stop operation of the bolt carrier when a last round of ammunition is fired from the carbine assembly upper receiver.