5.56x45mm NATO SBR Barrels & Upper Receivers

Geissele CHF AR-15 Barrel 5.56x45mm NATO 12.5" Geissele Contour 1:7" Twist Manganese Phosphate

Geissele CHF AR-15 Barrel 5.56x45mm NATO 11.5" Geissele Contour 1:7" Twist Manganese Phosphate

Sons of Liberty Gun Works M4-L89 Complete Upper 5.56 11.5 Threaded Barrel w/ L89 Rail

Noveske Afghan AR-15 Barrel 5.56x45mm NATO 14.5" Lightweight Contour 1:7" Twist Cerakote with Headspaced Bolt and Low Profile Gas Block

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

Noveske EXTRA THICC Commando 5.56x45mm NATO AR-15 Barrel 11.5" DDF Contour Mid-Length .9375 Gas Block Stainless Steel

Sons of Liberty Gun Works M4-L89 Upper Receiver Group 5.56 / .223 Rem 14.5 Threaded Barrel

FightLite Industries Mission Configurable Rifle Dual-Feed Complete Upper 5.56 12.5 Threaded Barrel w/ 100 M27 Links

FightLite Industries MCR Mission Configurable Rifle Complete Upper 5.56 12.5 Threaded Barrel

Noveske AR-15 N4 Shorty Upper Reciever Assembly 5.56x45mm 10.5" Barrel NSR-9.75 M-LOK Handguard Black

Luth-AR Lightweight Barrel 5.56 11.5 Threaded Barrel

FightLite Industries Mission Configurable Rifle Dual-Feed Complete Upper 5.56 12.5 Threaded Barrel M-LOK Handguard

Colt Firearms LE6933EPRII Complete Upper 5.56 11.5 Threaded Barrel

FightLite Industries DFX Complete Upper 5.56 / .223 Rem 12.5 Threaded Barrel w/ 100 M27 Links

Ballistic Advantage AR-15 Barrel 5.56x45mm NATO 14.5" Government Contour 1:7" Twist QPQ

Faxon Duty Series AR-15 Barrel 5.56x45mm NATO 13.9" Gunner Contour 1:8" Twist Nitride

Faxon Duty Series AR-15 Barrel 5.56x45mm NATO 12.5" Gunner Contour 1:8" Twist Nitride

Faxon Duty Series AR-15 Barrel 5.56x45mm NATO 10.5" Pencil Contour 1:8" Twist Black Nitride

Faxon Duty Series AR-15 Barrel 5.56x45mm NATO 10.5" SOCOM Contour 1:8" Twist Black Nitride

Ballistic Advantage Modern Series 5.56 NATO 12.5 Barrel for AR-15

Ballistic Advantage AR-15 Barrel 5.56x45mm NATO 10.5" Government Contour 1:7" Twist QPQ

Faxon Duty Series Gunner AR-15 Barrel 5.56x45mm NATO 11.5" Gunner Contour 1:8" Twist QPQ Black

Wilson Combat AR-15 Barrel 5.56x45mm NATO 11.3" Medium Taper 1:7" Twist Stainless

Daniel Defense AR-15 Barrel 5.56x45mm NATO 10.3" Government Contour 1:7" Twist Mil-Spec Heavy Phosphate