Home / Accessory-Silencer Accessories / Yankee Hill Machine Company QD MOUNT THEAD PROTECTOR View cart “Gemtech ADAPTER MM9 5/8-24 300BLK” has been added to your cart. Yankee Hill Machine Company QD MOUNT THEAD PROTECTOR$1995 Only 2 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 Gemtech ADAPTER MM9 5/8-24 300BLK $7500 Sale! SilencerCo BRAVO ANCHOR BRAKE 30CAL BLACK $9400 Original price was: $9400.$8606Current price is: $8606. Gemtech GM9 THREAD REAR MOUNT M18X1RH $9100