Best quality complete upper receivers allow you to shoot inexpensive .22 ammo from your combat rifle. Includes .22 bolt, carrier, magazine and all internal parts, just remove your upper, drop in the .22 upper and blaze away. Proudly made in the USA by DPMS. Complete Upper, M4 combat style with flat-top receiver and standard front sight, sling swivel, oval forearm, 18" parkarized barrel with muzzle brake, shell deflector, forward assist, tactical training while shooting .22 rimfire.
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