Home / Accessory-Silencer Accessories / Rugged Suppressors OBSIDIAN PISTON .578X28 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 M18X1 $10000 $8715 Sale! Dead Air Armament KEYMO FLASH HIDER M14X1LH $8900 $8472 SilencerCo DELTA 1/2X28 THREAD SPACER $1900 Sale! Rugged Suppressors OBSIDIAN9 3 LUG ADAPT 13.5x1L $8500 $7561