Sold Out Quick view APF Armory - Alex Pro Firearms APF Armory M16 Bolt Carrier Group SP4 5.56/223/300 BLK Rose Gold $301.59 APF SP4-coated BCGs Machined to Military Specifications & Made in the USAAlex Pro Firearms (APF) is proud to introduce BCGs featuring SP4 a hybrid DLC (Diamond Like Carbon) coating that is the result... Out of Stock Out of Stock
