Introducing the True Precision True-Lock Compensator, engineered with a 6-to-1 port-to-bore ratio to substantially reduce muzzle rise and felt recoil for all ammunition types. Its market-defining integrated locking block allows you to securely attach the compensator without risking damage to your barrel or needing thread-locking compounds, and also enables quick, damage-free removal when swapping muzzle devices. While no spring tuning kit is required for excellent performance out of the box, its use is recommended to fine-tune recoil control for any ammo you choose. Proudly made in the USA, the True-Lock Compensator delivers superior attachment, enhanced accuracy, and dependable operation for the discerning shooter. Features : Fits Sig P365, P365 Micro, P365XL, P365 FUSE, P365 X-Macro 1/2x28 Thread Pitch 7075 T6 Billet Aluminum