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 Sale! Yankee Hill Machine Company NIELSEN PISTON 9MM M13.5X1LH $6895 $6614 Gemtech THREAD PROTECTOR 1/2-28 RF $1800 Sale! Yankee Hill Machine Company SIDEWINDER PISTON 45ACP 16X1LH $6895 $6614 Sale! Rugged Suppressors R3 FLASH HIDER 9/16X24 $10000 $8715