In a class of its own, the Obsidian 9 is nearly half its size in its short configuration, giving you two suppressors with one tax stamp. With additional versatility in mind, the Obsidian 9 is fully compatible with suppressor sights for seamless use on a pistol or carbine. Obsidian 9 baffles are machined from 17-4 Stainless steel bar stock, with three indexing tabs for proper alignment. With serviceability in mind, the Obsidian baffles create a gas seal that virtually eliminates carbon build-up between the baffles and tube. The Obsidian 9 uses a non-slatted design creating a full circumference gas seal. The drastically lowers gas blowback for a more enjoyable shooting experience. The Obsidian 9 pistons are cross-compatible with Silencer Co slotted pistons. The Obsidian 9 mount is machined from 17-4 Stainless steel bar stock. 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 9 infinitely upgradable in the future. The Obsidian 9 is fully compatible with Obsidian 45 accessories. Machined from top-of-the-line materials to not only last a lifetime but withstand any rate of fire.