Gemtech GM-45/Blackside Threaded Rear Mount Adaptor, 5/8X24 ThreadPitch, 300 Blackout 12194

Gemtech GM-45 and Lunar-45 Threaded Rear Mounts (5/8-24) Caliber Sound Reduction Diameter Length Weight Mount Material Full Auto Rated Finish Thread size 5/8-24 Threaded End Cap adapters for use with the GM-45 and Blackside suppressors. These allow the use of the suppressor on Fixed barreled weapons.