Bear Creek Arsenal 16" 5.56 NATO 1:7 Mid-Length AR-15 Barrel - Parkerized

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FN America AR-15 16" Barrel 1:7 Twist Button Broached, Black - 20100046

Faxon Firearms M4 Button Rifled Barrel 5.56x45mm 16", Black

Faxon Firearms Mid-Length Button Rifled Gunner Barrel 5.56x45mm 16", Black

Ballistic Advantage Performance Barrel 5.56x45mm 13.70", Black - Compact and Efficient Barrel - BABL556036F

DIAMONDBACK FIREARMS Barrel 223 Wylde 18 Mid Length Black Nitride

Faxon Firearms Mid-Length Button Rifled Pencil Barrel 5.56x45mm 16", Black