MMC Combos AR-15 Barrel Nut + Delta Ring Assembly

This is a standard AR-15 barrel nut. High quality steel with Mil-Spec finish. Barrel nuts are designed to attach the barrel of an AR rifle to the upper receiver. Mil-Spec barrel nut quality is important to ensure a firm attachment to your upper receiver. The Mil-Spec phosphate coating for this AR-15 barrel nut helps prevent rust and scratches from affecting it. This barrel nut is most commonly used with a Carbine Drop In handguard. This is not a universal barrel nut.

Delta Ring Assembly for your AR-15, M16, M4. This assembly includes 3 parts:  Delta Ring, Weld Spring, and Snap Ring.