Expo Arms 5.56 NATO Chrome Lined AR-15 Barrel - SOCOM Contour - .070" Gas Port - Carbine Length - 11.5"

Luth-AR 5.56mm 11.5in Lighweight Barrel w/FSB 1-7 Twist Rate 1/2x28 TPI Black

LBE Unlimited Cold Hammer Forged AR-15 7.5in Barrel 556NATO 1-7 Twist Black

Daniel Defense 5.56mm NATO 11.5" 1:7" CMV CHF Carbine-Length Gov't Barrel Assembly w/LPG 07-077-07108

Sons of Liberty Gun Works Combat V2 Barrel 5.56x45mm 11.50", Black - Durable and Accurate - 11.5COMBATV2-556

Ballistic Advantage AR-15 Barrel 5.56x45mm NATO 11.5" Hanson Contour 1:7" Twist Phosphate with Low Profile Gas Block

Criterion Barrels Hybrid LR-308 Barrel 308 Winchester 16" Mid-Length Chrome-Lined 1:10" Twist Black

Colt Commando AR-15 Barrel 5.56x45mm NATO 11.5" SOCOM Contour 1:7" Twist Parkerized