Shop › ARMASPEC GUN BLDR SS LPK 223/556 BLK ARMASPEC GUN BLDR SS LPK 223/556 BLK $67.49 Armaspec Gun Builder's Lowers Parts Kit (Less FCG and Grip), Fits AR 5.56/.223, This Is NOT A Complete Lower Parts Kit, Black Finish ARM151-BLK Quantity: Add To Cart Added! Armaspec Gun Builder's Lowers Parts Kit (Less FCG and Grip), Fits AR 5.56/.223, This Is NOT A Complete Lower Parts Kit, Black Finish ARM151-BLK