Home / Accessory-Silencer Accessories / Yankee Hill Machine Company HUB DIRECT THREAD MNT M13.5X1 You cannot add "Gemtech PISTON GM-45 LID MK23" to the cart because the product is out of stock. Sale! Yankee Hill Machine Company HUB DIRECT THREAD MNT M13.5X1$8295 Original price was: $8295.$7537Current price is: $7537. In stock Yankee Hill Machine Company HUB DIRECT THREAD MNT M13.5X1 quantity Add to cart SKU: YHM-2189-M Category: Accessory-Silencer Accessories Product ID: 68864 Description Description 13.5 X 1 TPIFits Most Suppressor Brands Related products Sale! Dead Air Armament XENO MOUNT FLASH HIDER 5/8X24 $8900 Original price was: $8900.$8472Current price is: $8472. Sale! Rugged Suppressors FLASH HIDER FRONT CAP 5.56 $10000 Original price was: $10000.$8715Current price is: $8715. Sale! Rugged Suppressors R3 FLASH HIDER 3/4X24 $10000 Original price was: $10000.$8715Current price is: $8715. SilencerCo O-RING BOOSTER PACK $900