Home / Accessory-Silencer Accessories / Rugged Suppressors OBSIDIAN FIXED MOUNT .578×28 Sale! Rugged Suppressors OBSIDIAN FIXED MOUNT .578×28$8000 $7196 In stock Rugged Suppressors OBSIDIAN FIXED MOUNT .578x28 quantity Add to cart SKU: OF007 Category: Accessory-Silencer Accessories Product ID: 30000 Description Description .578X28Designed for Fixed Barrels Related products SilencerCo O-RING BOOSTER PACK $900 Sale! Gemtech ADAPTER GM-45/BLACKSIDE 1/2-28 $8500 $8444 Gemtech PISTON GM-45 LID USP $14800 Gemtech PISTON GM9/MM9/TUNDRA 1/2-28 $8000