The Bersa B22 is a lightweight modular rimfire suppressor built from 6AL-4V titanium and 17-4 stainless steel with a High Temperature Cerakote finish. Tool-free and user-serviceable; it configures in seconds from compact (3.41 / 4.5 oz) to full-size (5.8 / 6.4 oz). Rated for .17 HMR .22 WMR 5.7×28 and full-auto with .22 LR. – Caliber .22LR 22 MAG 17 HMR 17 WSM 5.7×28 – Threads 1/2 x 28 – Material 6AL-4V Titanium and 17-4 Stainless Steel – Weight 4.5 oz (short) – Rating .22LR Full Auto – The Bersa B22 is a hard-use rimfire suppressor built for shooters who demand durability versatility and excellent sound performance without the weight or bulk. Constructed from 6AL-4V titanium and 17-4 stainless steel with a High Temperature Cerakote finish the B22 is rated for .17 HMR .22 WMR 5.7×28 and full-auto use with .22 LR making it one of the most capable and caliber-versatile rimfire suppressors available in its class. – What sets the B22 apart is its modular design. In seconds and without tools users can switch between the compact configuration at just 3.41 inches long and 4.5 ounces for reduced overall system length or the full-size configuration at 5.8 inches and 6.4 ounces for maximum sound reduction. Sound suppression performance reaches approximately 42 dB reduction achieving roughly 114 dB in full configuration well below the threshold for hearing-safe shooting. – The B22 features a replaceable thread adapter system that accommodates a broad range of host firearm muzzle threads without additional tools. The user-serviceable titanium baffle stack cleans easily with standard solvents or an ultrasonic cleaner. Backed by a Bersa USA Limited Lifetime Warranty.