STG34 Lower Assembly for Stemple 76/45 SMG

New lower assembly with select-fire trigger tested on Stemple 76/45 U9SF setup.

This lower will work with all U9, U9SF, and U45 parts kits for the Stemple 76/45 receivers. The trigger system is based on the MG34 but has a new and innovative sear and trip assembly built into a durable steel container that nests into a steel lower housing. Assembly/disassembly can be done without tools. Any AR-pattern grips can be used.

In 2003, the original inventor, John Stemple collaborated with BRP Corp to make new and replacement parts for the Stemple 76/45 receivers he manufactured prior to the 1986 cutoff. From this came a series of compatible drop-on parts for the unmodified/transferable Stemple 76/45 receivers known as Stemple Takedown Gun (STG) setups. Since nothing is welded or hand fitted to these receivers, changing setups and replacing parts is fast and easy.