Home / Accessory-Silencer Accessories / Rugged Suppressors OBSIDIAN PISTON .578X28 Sale! Rugged Suppressors OBSIDIAN PISTON .578X28$8000 $7196 In stock Rugged Suppressors OBSIDIAN PISTON .578X28 quantity Add to cart SKU: OP001 Category: Accessory-Silencer Accessories Product ID: 30006 Description Description 17-4 Stainless Steel Related products Sale! Yankee Hill Machine Company SIDEWINDER PISTON 40SW 9/16X24 $6895 $6614 Sale! Gemtech ADAPTER SIG MOSQUITO $4500 $4183 Sale! Dead Air Armament GHOST FIXED MOUNT M13.5X1LH $8900 $7865 Sale! Dead Air Armament XENO MOUNT MUZZLE BRAKE 1/2X28 $8900 $8472