Home / Accessory-Kits / Springfield Armory HELLCAT HARDWARE MOUNT KIT View cart “Barrett Firearms MRAD BREECH CONVERSION KIT” has been added to your cart. Springfield Armory HELLCAT HARDWARE MOUNT KIT$799 Out of stock SKU: HC6070 Category: Accessory-Kits Product ID: 31048 Description Description Shield RMSC & JPoint Related products Del-Ton LOWER PARTS KIT $5500 Del-Ton UPPER RECEIVER PARTS KIT $1695 Sale! Del-Ton RIFLE KIT M4 5.56MM 16″ $45000 $40673 Sale! Del-Ton RIFLE KIT MID-LENGTH 16″ $45000 $40673