Bootleg Inc Bolt Completion Mil-Spec Kit for 5.56mm

Whether you're wanting to have some spare parts on hand or if you're looking to build your bolt carrier group, the Bootleg Inc® Bolt Completion Mil-Spec Kit for 5.56mm is exactly what you're looking for. The 1038 steel wire firing pin retaining pin adds a layer of security and durability for your bolt carrier group, while a 9310 steel bolt with a corrosion-resistant phosphorus finish helps ensure proper cartridge alignment round after round. A 4340 steel cam pin and 4140 steel firing pin round out this kit to ensure unmatched quality and durability with your rifle.