Home / Accessory-Silencer Accessories / Rugged Suppressors OBSIDIAN45 3 LUG ADAPT .578×28 You cannot add "Gemtech PISTON GM9/MM9/TUNDRA 1/2-28" 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 Sale! SilencerCo BRAVO ANCHOR BRAKE 30CAL BLACK $9400 $8606 Sale! Rugged Suppressors OBSIDIAN45 3 LUG ADAPT 9/16X24 $8500 $7561 Gemtech ADAPTER S&W M&P22C/22LR $6200 Sale! SilencerCo 3-LUG MUZZLE DEVICE 9MM 5/8X24 $8900 $8211