Home / Accessory-Silencer Accessories / CGS Group PISTON 13.5X1LH BLACK View cart “Yankee Hill Machine Company NIELSEN PISTON 9MM M13.5X1LH” has been added to your cart. Sale! CGS Group PISTON 13.5X1LH BLACK$5500 $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! Dead Air Armament SANDMAN 5.56 FRONT CAP $6900 $6042 Sale! Rugged Suppressors R3 FLASH HIDER M18X1 $10000 $8715 Sale! SilencerCo BRAVO ANCHOR BRAKE 458CAL BLK $9400 $8606 Sale! SilencerCo 3-LUG MUZZLE DEVICE 9MM 5/8X24 $8900 $8211