The Vantage Point Armory Rail-Mounted Compensator for Sig Sauer P320-M18 is engineered for 9mm pistols and designed to interface directly with the pistols accessory railno weapon light required. This rugged, 7075 aluminum compensator minimizes recoil, enhances stability, and maintains full cycling reliability without the need for a threaded barrel. Rated for standard and +P/+P+ ammo, it detaches quickly for cleaning and retains full firing capability even when pressed against a target. Compatible with: Sig Sauer P320-M18 Includes: Lock Bar (x1), Set Screws (x2)