Home / Accessory-Silencer Accessories / Rugged Suppressors OBSIDIAN FIXED MOUNT .578×28 You cannot add "SilencerCo BRAVO ANCHOR BRAKE 30CAL BLACK" to the cart because the product is out of stock. Sale! Rugged Suppressors OBSIDIAN FIXED MOUNT .578×28$8000 Original price was: $8000.$7196Current price is: $7196. Out of stock SKU: OF007 Category: Accessory-Silencer Accessories Product ID: 30000 Description Description .578X28Designed for Fixed Barrels Related products Dead Air Armament SIG MOSQUITO THRD ADAPT 1/2X28 $4500 Sale! Dead Air Armament HUB DIRECT THRD MNT M18X1.5 AI $8900 Original price was: $8900.$8351Current price is: $8351. SilencerCo O-RING BOOSTER PACK $900 Sale! Rugged Suppressors R3 FLASH HIDER M18X1 $10000 Original price was: $10000.$8715Current price is: $8715.