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16in A4 Upper Receiver/Crowned Barrel Assembly - .223/5.56mm Caliber

Product Description
This M4 Profile Crowned Barreled Upper Assembly is designed for those who already have a Bolt Carrier Assembly (not included with this assembly). 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 standard A2 Front Sight. This very accurate barrel is rifled 1 x 9" Right Hand twist, and chrome lined for durability and. The aluminum flat top Upper Receiver is complete with Forward Assist and Ejection Port Cover and Carry Handle with Dual Aperture 1/2 M.o.A. Elevation & Windage Adjustable 300 - 600 Meter Iron Sights. 

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