The Zaffiri Precision Threadless Compensator delivers flatter shooting for your Sig Sauer P365 pistol. You get both the compensator and a threadless comp barrel (the compensator is only compatible with the included barrel). Together, they redirect gas and reduce muzzle climb without weighing your setup down, so you can easily make fast follow-up shots. Ball-Vise locking system takes just 1 set screw (included) to install. 17-4 stainless steel compensator construction and 416R stainless steel barrel construction endure wear and tear, shot after shot. Includes threadless compensator and threadless comp barrel for the Sig Sauer P365 Redirects gas and reduces muzzle climb Ball-Vise locking system takes only 1 set screw (included) to install 17-4 and 416R stainless steel constructions