Home / Accessory-Silencer Accessories / Rugged Suppressors OBSIDIAN45 3 LUG ADAPT .578×28 You cannot add "Rugged Suppressors OBSIDIAN FIXED MOUNT .578x28" to the cart because the product is out of stock. Sale! Rugged Suppressors OBSIDIAN45 3 LUG ADAPT .578×28$8500 $7561 Out of stock SKU: OA010 Category: Accessory-Silencer Accessories Product ID: 31468 Description Description .578×28 Related products Gemtech PISTON GM9/MM9/TUNDRA 1/2-28 $8000 Sale! Dead Air Armament KEYMO FLASH HIDER M14X1LH $8900 $8472 Sale! Rugged Suppressors R3 FLASH HIDER M18X1 $10000 $8715 Sale! Yankee Hill Machine Company SIDEWINDER PISTON 40SW 9/16X24 $7495 $7135