Noveske 5.56 NATO Commando AR-15 Barrel Stainless - 11.5" with Pinned Gas Block

FN America AR-15 16" Barrel 556NATO 1:7 Twist Button Broached, Black - 20100039

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

Proof Research AR-Type Barrel 11.50" for AR-Style, Stainless - 100387

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

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

Faxon Firearms Carbine-Length Button Rifled Pencil Barrel w/Pinned Gas Block 5.56x45mm 10.50", Black

BALLISTIC ADVANTAGE Premium Series 6MM ARC 16", 5/8x24, 1:7 Mid Length Gas Barrel for AR10