LBE Unlimited Barrel ARBARSCSS-16-7, 556NATO, 16 in, Stainless Finish, 1:7 Twist

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

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

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

LBE UNLIMITED Cold Hammer Forged Barrel 5.56 12.5" Mid AR-15 Blk

FN AMERICA Barrel AR-15 5.56/223 16" Carbine Length