Liberty Precision Machine LPM-2021 Thread Protector Fits Stainless Steel Nitride Black

Designed to protect the exterior threads and taper of your .9-24 muzzle devices while a silencer is not in use. Compatible with all LPM, Rearden MFG, and Q LLC muzzle devices. 17-4 H900 Stainless Steel Black Nitride finish .25 Ounces 15/16 and 7/8 Hex features for secure mounting