This 5.56 chambered 13.7 inch Performance Series Barrel is machined from CrMoV steel with a QPQ Corrosion Resistant Finish. BA’s performance series barrels feature a Nickel Boron Coated Extended M4 Feed Ramp Extension.
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Diamondback 556P7H50B8R DB Barrel 5.56x45mm NATO 7″ Pistol-Length Black Nitride 4150 Chrome Moly Vanadium Steel
$70.00
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