Patent ID: 7010878

Claim:
A frame for an automatic handgun comprising a trigger guard, a handgrip, a magazine well inside said handgrip having a lower inlet opening sized to accept a stagger magazine having an upper portion in said magazine well including a pair of spaced walls for receiving a stagger magazine and a trigger bar in said well and an upper outlet opening, an interior space communicating with said upper outlet opening, a trigger bar having front and rear portions and a pair of spaced apart side members for operating the firing apparatus of an automatic handgun, said side members being spaced apart a sufficient distance to locate an upper portion of a stagger magazine therebetween, a trigger, means for attaching said trigger to said front portion of said trigger bar, and means for movably carrying said trigger bar in said interior space, said means for movably carrying being located only forwardly and rearwardly of said upper outlet opening, said walls being spaced apart a distance at least equal to the spacing between said side members to allow for the movement of said trigger bar into said lower inlet opening and into said upper outlet opening and into said interior space for mounting said trigger bar therein, said interior space further includes a pair of laterally spaced apart shoulders extending from a respective said upper shoulder in said front cavity to a respective rear wall in said rear cavity for limiting upward travel of said trigger bar.