The Bersa B45 is a modular 45 AUTO suppressor built from Grade 9 titanium, 17-4 PH stainless steel, and 7075-T6 aluminum, with piston included for reliable semi-automatic pistol operation. Tool-free and user-serviceable, it configures in seconds from compact (6.9″ / 8 oz) to full-size (9″ / 11 oz). Rated for 45 AUTO, 9mm, .22 LR, .300 BLK, 350 Legend, .357 Mag, and .38 SPL. Backed by a Bersa USA Limited Lifetime Warranty.