HomeGun PartsAR Lower PartsAR Braces/StocksCMMG Receiver Extension and Stock Kit A1 AR15CMMG Receiver Extension and Stock Kit A1 AR15$91.00 CMMG Receiver Extension and Stock Kit A1 AR15 Additional information UPC 815835012636 Manufacturer CMMG Manufacturer Part Number 55CA646 Length 16.7000 Product Type Stock Style Fixed 1 in stock CMMG Receiver Extension and Stock Kit A1 AR15 quantity Buy now Add to WishlistRemove from Wishlist Add to Wishlist