- Description FEATURES:-AR-15 5.56 NATO BCG-Steel-Black Salt Bath Nitride Finish-Fits AR-15 rifles PRODUCT SPECIFICATIONS: Dimension 2.85 X 6.10 X 12.15 Height 2.8500 Width 6.1000 Length 12.1500 TYPE/COLOR BOLT CARRIER GROUP SIZE/FINISH .223/5.56/.300AAC BLACKOUT MATERIAL STEEL AR-15 ACCESSORY Y



