Odin Works 9mm AR-15 Barrel 416 Stainless Medium Profile - 7.5"

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

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

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

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

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

GUNTEC AR9 BARREL 9MM 5.5" - 1:10 TWIST BLACK NITRIDE

DMA Inc. XTS AR-15 5.56 NATO 4150 CMV Barrel - Carbine - Government - 16.5" - 1:8