5.56x45mm NATO Barrels

Andro Corp Industries Front Sight Base SB AR-15 5.56mm Threaded Rifle Barrel 10.3 inch 1-7 Twist 1/2x28 QPQ Corrosion Resistant Black

TacFire AR-15 7.5" .223 / 5.56 1:7 Parkerized Barrel

TacFire AR-15 5" Micro-Length Gas .223 / 5.56 1:5 Nitride Barrel

TacFire AR-15 Carbine-Length Gas .223 / 5.56 1:8 Nitride Barrel - 14.5"

ANDERSON RF 85 BARREL 5.56 16IN M4 BARREL MID LENGTH

AM BARREL AR15 16 5.56 223REM CAR LENGTH 1-8

Infinite Product Solutions Gen 1 .800 Bull - Slip-On Adapter Black

Infinite Product Solutions M13 x 1 LH - Thread Adapter Black Oxide

Guntec USA AR Barrel .223/5.56 Cal Contour Profile 10.5 inch Carbine Length 4150 Chromoly Steel 1-7 Twist .750 Gas System 1/2x28 TPI Black Nitride

APF Armory AR-15 5.56 Nato Threaded Barrel 10.5in 1-7 Twist 1/2x28 Black

APF Armory AR-15 5.56 Nato Threaded Barrel 16in 1-7 Twist 1/2x28 Black

Steyr Arms AUG HBAR 24" White Barrel w/Bipod 1255010676

Steyr Arms AUG HBAR 24" Mud Barrel w/Bipod 1255010675

Steyr Arms AUG HBAR 24" Green Barrel w/Bipod 1255010674

Steyr Arms AUG HBAR 24" Black Barrel w/Bipod 1255010673

Steyr Arms AUG 20" 1/2x28 Mud Barrel 1255010666

Steyr Arms AUG 20" 1/2x28 Green Barrel 1255010662

Steyr Arms AUG 14.5" 1/2x28 Mud Barrel US1255010671

Steyr Arms AUG 14.5" 1/2x28 Green Barrel US1255010670

Steyr Arms AUG 14.5" 1/2x28 Black Barrel US1255010669

Sons of Liberty Gun Works SOLGW East India 5.56mm 12.5" Carbine Gas Starter Kit EIC-12.5-556

LMT Defense MRP 12.5 5.56mm Mid-Length Gas Barrel

ANDERSON BARREL 5.56 NATO 10.5 IN BBL 1:7 TWIST CARBINE GOVT PROFILE

ANDERSON BARREL 5.56 NATO 7.5 IN 1:7 TWIST PISTOL GOVT PROFILE