TPRCSN Mini Comp, Compensator, 9MM, For Sig P365/SAS, Matte Finish, Black TP-P365CMP-BL The True Precision Locking Compensator is designed to enhance shooting accuracy by significantly reducing muzzle rise and felt recoil. It's market defining integrated locking block ensures that the compensator can be securely attached without damaging the firearm's barrel or threads" nor does it require a thread locking compound for a secure fit.