Home / Accessory-Silencer Accessories / Yankee Hill Machine Company HUB DIRECT THREAD MNT M13.5X1 View cart “Dead Air Armament HUB DIRECT THRD MNT 5/8X24SIG” has been added to your cart. 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 Gemtech GM9 THREAD REAR MOUNT M18X1RH $9100 SilencerCo O-RING BOOSTER PACK $900 Sale! Dead Air Armament GHOST FIXED MOUNT 5/8X24 $8900 Original price was: $8900.$7865Current price is: $7865. Sale! Dead Air Armament XENO MOUNT MUZZLE BRAKE 5/8X24 $8900 Original price was: $8900.$8472Current price is: $8472.