Home / Accessory-Silencer Accessories / Yankee Hill Machine Company QD MOUNT THEAD PROTECTOR View cart “Gemtech PISTON GM-45 LID MK23” has been added to your cart. Yankee Hill Machine Company QD MOUNT THEAD PROTECTOR$1995 Only 1 left 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 Sale! SIG SAUER FLASH HIDER CL 5.56MM 90 DEG $17999 Original price was: $17999.$16957Current price is: $16957. Sale! Dead Air Armament XENO MOUNT MUZZLE BRAKE 5/8X24 $8900 Original price was: $8900.$8472Current price is: $8472. Sale! Dead Air Armament SANDMAN 5.56 FRONT CAP $6900 Original price was: $6900.$6042Current price is: $6042. Sale! Gemtech ADAPTER GM-45/BLACKSIDE 1/2-28 $8500 Original price was: $8500.$8444Current price is: $8444.