The True Precision Cobra Compensator is engineered to reduce felt recoil and improve shooting performance, all while adding a bold, aggressive look to your firearm. Featuring deeper, more pronounced cut ports and a slightly extended profile, the Cobra Compensator delivers enhanced control, faster follow-up shots, and improved accuracy. Features : Fits 1/2X28 9MM Barrels 416R Stainless Steel Construction Includes Tension Lock O-Ring STATE RESTRICTION NOTICE This product may be regulated as an "assault weapon" feature or component (e.g., threaded barrel, muzzle device/compensator, or assembled upper) and may be restricted or prohibited in CA, CT, DC, HI, IL, MA, MD, NJ, NY, RI, VA, WA, and select municipalities. It is the buyer's responsibility to verify local, state, and federal laws before purchase. Orders that cannot ship to a restricted address will be canceled and refunded.