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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Ballistic Adv BABL556018F AR Barrel Performance 5.56x45mm NATO 17.70″ AR-15 4150 Chrome Moly Vanadium Steel Black QPQ Heavy Profile BA Hanson Midlength
$223.25
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