With additional versatility in mind the Obsidian 45 is fully compatible with suppressor sights for seamless use on a pistol or carbine. Obsidian 45 baffles are machined from 17-4 Stainless steel barstock, with two indexing tabs for proper alignment. With serviceability in min the Obsidian baffles create a gas seal that virtually eliminates carbon build up between the baffles and tube. The Obsidian 45 uses a non-slatted design creating a full circumference gas seal. The drastically lowers gas blowback for a more enjoyable shooting experience. The Obsidian 45 pistons are cross compatible with Silencer Co slotted pistons. The Obsidian 45 mount is machine from 17-4 Stainless steel barstock. The engraving is strategically placed on the thickest cross section of the 17-4 stainless steel mount for fast and easy replacement should the suppressor become damaged beyond repair, it also serves to make the Obsidian 45 infinitely upgradable in the future. The Obsidian 45 is fully compatible with Obsidian 9 accessories. Machined from top of the line materials to not only last a lifetime, but withstand any rate of fire. Includes, 578x28 Piston (fits most standard .45 Auto threaded barrels) 45 Front Cap Obsidian 45 Suppressor ADAPT Module Operator's Manual Obsidian Logo Sticker