5.56x45mm NATO Barrels

41v50 Match Grade 5.56mm Barrel W/223 Wylde Chamber & Gas Block - 41v50 Match 5.56mm 12.5'''' Bbl W/223 Wylde Chamber&Gas Block

Faxon Firearms 5.56 Chrome Lined 4150 5R Barrel

Faxon Firearms 18" Gov't/Socom 5.56 NATO Rifle-Length 4150 Nitride / Melonite Barrel

Faxon Firearms Gunner AR-15 5.56 NATO Mid-Length 4150 QPQ Barrel

Desert Tech MDR 5.56x45 16" Barrel Assembly DT-MDR-BA-556-16-Q1

Daniel Defense AR-15 DDM4V7 SLW URG Barreled Upper Receiver 5.56x45mm 14.5" Pinned Barrel with Iron Sights

Daniel Defense 070771912501 .223/5.56 NATO 14.5\" Heavy Phosphate

Daniel Defense 070771617601 5.56mm .223/5.56 NATO 10.3\" Black Heavy Phosphate

Daniel Defense Cold Hammer Forged 5.56 NATO Barrel

Ar-15 Barrels, Fluted, Stainless Steel, Rifle-Length - Ar-15 Barrel, 20'''', Fluted, Rifle-Length, Stainless Steel

Ar-15/M16 Hbar Rifle Barrels - 20'''' Hbar Rifle Barrel W/ Headspaced Bolt

Ar-15/M16 Hbar Rifle Barrels - 18'''' Hbar Rifle Barrel W/ Headspaced Bolt

Colt AR-15 Barrel 5.56x45mm NATO 14.5" SOCOM Contour 1:7" Twist Parkerized

Colt M4, M4A1 AR-15 Barrel 5.56x45mm NATO 14.5" Government Contour 1:7" Twist Matte with Low Profile Gas Block

Colt M4, M4A1 AR-15 Barrel 5.56x45mm NATO 14.5" Government Contour 1:7" Twist Matte

Colt M4CQB AR-15 Barrel 5.56x45mm NATO 10.3" Government Contour 1:7" Twist Parkerized

Colt LE6920 AR-15 Barrel 5.56x45mm NATO 16" Government Contour 1:7" Twist Parkerized

Colt M16 AR-15 Barrel 5.56x45mm NATO 20" Government Contour 1:7" Twist Parkerized

Colt LE6933 AR-15 Barrel 5.56x45mm NATO 11.5" Government Contour 1:7" Twist Matte

Centurion Arms Lightweight Hammer Forged 5.56 NATO AR-15 Barrel - 12.5"

Centurion Arms Lightweight Hammer Forged 5.56 Barrel - 11.5"

Bravo Company MFG (BCM) AR-15 Upper Receiver BFH(.2.23/5.56) 11.5

Ar-15 Performance Series Barrels Mid-Length - Ar-15 13.9'''' Barrel Mid-Length Button Rifled 416 Ss

Ar-15 Performance Series Barrels Mid-Length - Ar-15 16'''' Barrel Mid-Length Button Rifled 416 Ss