Complete, .223/5.56mm AR-15 bolt and carrier assembly comes with all the parts, fully assembled, and ready to go. Drop it in your AR, check headspace, and you’re ready to shoot. Precision-machined carrier and bolt. Mil-spec dimensions ensure proper fit and function in a wide variety of OEM and aftermarket upper receivers. All components, including bolt and gas key, have a black nitride finish for extra strength and corrosion resistance.

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