Gemtech GM9/MM9/Tundra Piston Rear Mount Interface M18x1RH

The Gemtech GM9/MM9/Tundra Piston line delivers reliable, high-quality suppressor parts designed for precision mounting and rapid modularity, with the GM9 thread rear mount interface in M18x1RH.

This rear mount piston focuses on consistent torque transmission and airtight engagement to help maintain accuracy while reducing impulse through the rifle or pistol platform. The M18x1RH threading provides broad compatibility across threaded configurations, enabling quick swaps and streamlined maintenance during field use, range sessions, or tactical training.

Engineered materials and tolerances are chosen to withstand frequent mounting cycles, heat buildup, and real-world shooting demands, supporting long-term reliability.

Compatible with GM9, MM9, and Tundra suppressor setups.