The Ruger® Silent-SR® sound suppressor features best-in-class materials and advanced design" resulting in a lightweight" compact size and top-tier sound reduction. It was designed and built by Ruger utilizing the very latest in fluid dynamic simulation and computer numeric controlled (CNC) machining equipment. The Ruger® Silent-SR® is easy to disassemble and clean. Each piece snaps together to seal the baffles and keep the byproducts of combustion away from the tube and end caps. It is also strong and light" utilizing a titanium tube" aluminum rear cap" and stainless steel threaded mount" baffles and front cap. Ruger has selected the best material for each part to maximize strength and minimize weight without sacrificing durability. The silent-sr® is compatible with a host of ruger® firearms: SR22® Pistol with Threaded Barrel" 22/45™ Threaded Barrel Models" 22 Charger™ Pistol Threaded Barrel Models" 10/22® Tactical Rifle with Threaded Barrel" 10/22 Takedown® Threaded Barrel Models" SR-22® Rifle with Threaded Barrel" Ruger American Rimfire® Threaded Barrel Models" Ruger American Rimfire® Compact Threaded Barrel Models