GM-9 Threaded Rear Mounts
The Threaded Endcap Adapter to use on GM-9 and MULTIMOUNT suppressors when used with fixed barrel carbines and SMGs.
5/8-24 mount is for use with .300 Whisper and .300 Blackout carbines using SUBSONIC ONLY.
NOTE: Most handguns require the use of our LID mount for proper function.
– See more at: https://gemtech.com/threaded-rear-mounts.html#sthash.4IlKJcom.dpuf