Home / Accessory-Silencer Accessories / CGS Group PISTON 13.5X1LH BLACK You cannot add "SilencerCo 3-LUG MUZZLE DEVICE 9MM 1/2X36" to the cart because the product is out of stock. Sale! CGS Group PISTON 13.5X1LH BLACK$5500 Original price was: $5500.$5335Current price is: $5335. Out of stock SKU: CGS-KRK-13.5X1LHBK Category: Accessory-Silencer Accessories Product ID: 30543 Description Description Fits Kraken/MOD9/Nautilus17-4PH Stainless Steel Related products Sale! Yankee Hill Machine Company NIELSEN PISTON 9MM M13.5X1LH $7495 Original price was: $7495.$7135Current price is: $7135. Dead Air Armament SIG MOSQUITO THRD ADAPT 1/2X28 $4500 Sale! Dead Air Armament XENO QD NOMAD MOUNT $13900 Original price was: $13900.$11895Current price is: $11895. SilencerCo DELTA 1/2X28 THREAD SPACER $1900