5.56x45mm NATO Barrels

Moriarti AR-15 5.56x45mm NATO Threaded Barrel 7.5 inch Medium Pistol Length 1-7 Twist 1/2x28 QPQ Corrosion Resistant Black

Moriarti AR-15 Moriarti 5.56 NATO Threaded AR Barrel 11.5in Government Carbine Length 1-7 Twist 1/2x28 TPI Black

Moriarti AR-15 5.56/.223 13.9in Carbine Upper Assembly w/ Pencil Profile Black 28.15in

Sig Sauer Cal-X Kit SIGMCX 5.56 NATO 16" Tapered Lug CALX-MCX-16B-556-TAP

Griffin Armament GAPD5HDW Paladin 5 22 Cal (5.56mm) Rated Up To 22-250 Rem, 5 in L, Black Stainless Steel

Griffin Armament RECCE 16 inch 5.56mm

Griffin Armament 16.1 inch 223w HEDP Barrel

Griffin Armament 14.5 inch 223w HEDP Barrel

Griffin Armament 9.5 inch 223w HEDP Barrel

Sons of Liberty Gun Works SOLGW East India 5.56mm 16" Mid Gas Starter Kit EIC-16-556

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

LBE Unlimited Barrel ARBARSCN-16-7, 556NATO, 16 in, Black Nitride Finish, 1:7 Twist

LANTAC AR15 BBL 223WLD 16" INT SS

XTS AR-15 5.56 NATO 12.5in M-LOK Upper Receiver Government Profile Carbine Length 1-7 Twist 1/2x28 A2 Flash Hider 12in Handguard Anodized Black

XTS Complete Upper Receiver w/o BCG w/ 12in Ce Rail USA Edition AR-15 24.75in 16in Barrel Carbine 1-8 Twist 1/2x28 Thread M-LOK Stainless Steel Bird

XTS Complete Upper Receiver w/o BCG w/ Ce Rail AR-15 .223/5.56 24.75in 16in Barrel Carbine 1-8 Twist 1/2x28 Thread M-LOK Bird Cage Black Nitride

XTS Complete Upper Receiver w/o BCG w/ Ce Rail USA Edition AR-15 19.5in 10.5in Barrel Pistol 1-7 Twist 1/2x28 Thread M-LOK Stainless Steel Bird Cage

XTS Complete Upper Receiver w/o BCG AR-15 223/5.56 24.75in 16.5in Carbine 1-8 Twist 1/2x28 Thread M-LOK Bird Cage Black Nitride Finish

DMA Inc. XTS AR-15 5.56 NATO 4150 CMV Barrel - Carbine - Government - 10.5" - 1:7

DMA Inc. XTS AR-15 5.56 NATO 4150 CMV Barrel - Pistol - SOCOM - 7.5" - 1:7

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

LBE Unlimited Stripped M4 Barrel, 223 Rem/556NATO, Fits AR15, 16 in, 1:7 Twist, Salt Bath Nitride Black Finish ARBAR-16

Kaw Valley Precision Barrel Extender Threads per Inch 1.25in Black Small

Kaw Valley Precision Barrel Extender Threads per Inch 1.25in Black Small