Home / Accessory-Silencer Accessories / Rugged Suppressors OBSIDIAN PISTON .578X28 You cannot add "Dead Air Armament GHOST FIXED MOUNT M13.5X1LH" to the cart because the product is out of stock. Sale! Rugged Suppressors OBSIDIAN PISTON .578X28$8000 $7196 Out of stock SKU: OP001 Category: Accessory-Silencer Accessories Product ID: 30006 Description Description 17-4 Stainless Steel Related products Sale! Rugged Suppressors R3 FLASH HIDER 3/4X24 $10000 $8715 Sale! Rugged Suppressors TITANIUM FRONT CAP 7.62 $10000 $8715 SilencerCo DELTA 1/2X28 THREAD SPACER $1900 Sale! SilencerCo 3-LUG MUZZLE DEVICE 9MM 5/8X24 $8900 $8211