5.56x45mm NATO Barrels

LMT MRP 5.56 NATO Chrome Lined AR-15 Barrel - 14.5" 1:7 Twist

5" 5.56 NATO 1:5 Micro Black Nitride Barrel

16" 5.56 NATO 1:8 Twist 4150V Black Nitride Mid-Length Barrel

ZPV Muzzle Crowning Tool 60 Degree 5.56x45mm NATO, 22 WMR, 22LR

ZPV Muzzle Crowning Tool 11 Degree 5.56x45mm NATO, 22 WMR, 22LR

ZPV Muzzle Crowning Tool 110 Degree 5.56x45mm NATO, 22 WMR, 22LR

WMD Guns 5.56 NATO 16in Government Profile 1-8 Mid Length RH 4150 CrMoV Nitride Black

WMD Guns 5.56 NATO Threaded AR Barrel 10.5in GP M4 Carbine Length 1-8 1/2x28 Nitride Black

WMD Guns 5.56 NATO Threaded AR Barrel 16in GP M4 Mid Length 1-8 1/2x28 Nitride Black

Ar-15 Ranger Barrels 5.56mm - Ranger Barrel W/Intermediate Gas Tube & Block 5.56 16'''' Round

VKTR Industries Hammer Forged DI 5.56 NATO AR-15 Barrel w/ Custom Gas Block - 16.1"

VKTR Industries Hammer Forged DI 5.56 NATO AR-15 Barrel w/ Custom Gas Block - 13.7"

VKTR Industries Hammer Forged DI 5.56 NATO AR-15 Barrel w/ Custom Gas Block - 10.5"

AR-15 10.5\" M4 Contour Barrel, 5.56 NATO, 1:7, Parkerized

AR-15 .223/5.56 NATO 7.5\" Parkerized M4 Proflie Barrel - 1:7 Twist - Pistol Length Gas System

AR-15 16\" M4 Barrel, 5.56 NATO, 1:8 Twist, Parkerized

AR-15 16\" M4 Contour Barrel, 5.56 NATO, 1:9, Parkerized

AR-15 16\" M4 Contour Barrel, 5.56 NATO 1:7, Parkerized

AR-15 16\" Contour Barrel, 5.56 NATO, 1:7, Parkerized

AR-15 16\" Contour Barrel, 5.56 NATO, 1:7 TWIST, Black Nitride

AR-15 16\" Contour Barrel, 5.56 NATO, 1:7, Black Nitride

AR-15 16\" M4 Contour Barrel, 5.56 NATO, 1:8, Parkerized

AR-15 16\" Hammer Forged M4 Barrel, 5.56x45mm, 1:8, Carbine Length, Black Nitride

Tacfire AR-15 Pistol Kit 5.56x45mm 7.5\" Barrel - PK556-LPK-7