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16in Flat Top Upper Receiver/Crowned Barrel Assembly Less Bolt & Charging Handle .223/5.56mm

Product Description
This M4 Profile Crowned Barreled Upper Assembly is designed for those who already have a Bolt Carrier Assembly and Charging Handle (not included with this assembly) and want to add their own sights or optics. The plain crowned muzzle on this 4150 Chrome Moly Vanadium steel barrel complies with legal restrictions in States where threaded muzzles and flash hiders are prohibited and the bayonet lug has been machined off its MIL-STD-1913 Railed Gas Block. This very accurate barrel is rifled 1 x 9" Right Hand twist, and chrome lined for durability. The aluminum flat top Upper Receiver is ready for optics or accessory sights, and includes Forward Assist and Ejection Port Cover.

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