Home / Accessory-Silencer Accessories / Rugged Suppressors OBSIDIAN PISTON M13.5X1 LH You cannot add "SIG SAUER FLASH HIDER CL 5.56MM 90 DEG" to the cart because the product is out of stock. Sale! Rugged Suppressors OBSIDIAN PISTON M13.5X1 LH$8000 $7196 In stock Rugged Suppressors OBSIDIAN PISTON M13.5X1 LH quantity Add to cart SKU: OP004 Category: Accessory-Silencer Accessories Product ID: 54267 Description Description 17-4 Stainless Steel Related products Sale! Yankee Hill Machine Company SIDEWINDER PISTON 45ACP 16X1LH $7495 $7135 SilencerCo O-RING BOOSTER PACK $900 Sale! SilencerCo BRAVO ANCHOR BRAKE 458CAL BLK $9400 $8606 Gemtech ADAPTER S&W M&P22C/22LR $6200