GEM GM-45 Rear Fx Thrdmnt M16X

Gemtech GM-45 and Lunar-45 Threaded Rear Mounts (M16x1 LH) Caliber Sound Reduction Diameter Length Weight Mount Material Full Auto Rated Finish Thread size M16x1 LH Threaded End Cap adapters for use with the GM-45 and Blackside suppressors. These allow the use of the suppressor on Fixed barreled weapons.