The Obsidian45 is not only the quietest 45 suppressor on the market, but the most versatile. With it’s mount and baffles machined from 17-4 Stainless Steel, the Obsidian45 is a breeze to clean. It can also handle calibers beyond other dedicated pistol suppressors on the market. Check out the Obsidian 45 Suppressor’s caliber ratings below.