Home / Accessory-Silencer Accessories / Yankee Hill Machine Company QD MOUNT THEAD PROTECTOR Yankee Hill Machine Company QD MOUNT THEAD PROTECTOR$1795 In stock Yankee Hill Machine Company QD MOUNT THEAD PROTECTOR quantity Add to cart SKU: YHM-3114 Category: Accessory-Silencer Accessories Product ID: 32647 Description Description Related products Gemtech PISTON GM9/MM9/TUNDRA 1/2-28 $8000 SilencerCo O-RING BOOSTER PACK $900 Dead Air Armament SIG MOSQUITO THRD ADAPT 1/2X28 $4500 Sale! Dead Air Armament BOOSTER ASSEMBLY GHOST/WOLFMAN $14900 Original price was: $14900.$12618Current price is: $12618.