Patent ID: 11946711
Assignee: PBS LLC
Field: Other special machines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 8:
9. A lower receiver comprising:
a bore;
a cavity positioned adjacent to the bore;
a shaft positioned within the bore, the shaft comprising a first end and a second end; and
a first selector member removably coupled with the first end of the shaft;
wherein the first selector member comprises a protrusion, wherein the cavity is configured to accommodate the protrusion;
wherein the first selector member is movable between a first position and a second position;
wherein the protrusion is positioned away from the cavity when the first selector member is in the first position;
wherein the protrusion is positioned within the cavity when the first selector member is in the second position;
wherein the shaft is in a safe position when the first selector member is in the second position;
wherein the first selector member and the protrusion are a one-piece structure.