This DPMS complete AR-15 upper is chambered in 300 AAC Blackout and built around a 10.5" 4150V chrome moly vanadium steel barrel with a 1:8" twist. The barrel is nitride treated for added corrosion...

The DPMS DP51655131212 Quad-Rail Upper is a complete 5.56 NATO upper built around a 10.5" 4150V chrome moly vanadium barrel that is nitride treated for added durability. The 1:7 twist is paired with...

The DPMS DP51655131214 is an AR-15 complete upper with a 16" quad-rail layout, chambered in 5.56 NATO. Its 16" barrel is 4150V chrome-moly vanadium steel with a 1:7 twist and an M4 barrel extension,...

The DPMS DP51655109558 is a forged AR upper with a 16" M4 profile barrel chambered in 5.56 NATO. The barrel is 4150V chrome moly vanadium steel with a nitride coating, and it carries an M4 barrel...

The Taurus TXM conversion kit is a handgun conversion kit chambered in 5.7X28MM with a 5" threaded barrel. The barrel carries a 1/2X28 thread pitch, so you can mount accessories cut for that pitch...

The Auto Ordnance Tao Single Shot Upper Kit is chambered in 50 BMG and designed to fit a DPMS-pattern LR308 lower. It works as a single shot action, so you load one round at a time. The 18" barrel...

This is a complete AR-15 upper chambered for 5.56mm, with a 16" medium-profile barrel of 4140 ChroMoly steel, so the top half of your build arrives assembled. The barrel carries a Melonite finish and...

The Combat Armory Complete Upper is an AR-15 pattern upper chambered in 5.56mm, and it comes with the BCG installed so the heart of the action is already in the upper. Its 16" barrel is 4140 ChroMoly...

This DPMS 11.5" 5.56 Complete Upper is built around an 11.5" barrel of 4150V chrome moly vanadium steel, chambered for 5.56 NATO and rifled with a 1:7 twist. A carbine-length gas system with a...

The DPMS Kitty Kat is a complete upper chambered in 300 Blackout with a compact 7.5" heavy-profile barrel. The 4150V steel barrel has a 1 in 7" twist and a phosphate finish with no chrome lining. A...

This FightLite MCR barrel assembly is a complete 12.5" replacement for MCR rifles and upper receivers, and it also fits Shrike 5.56 rifles and uppers. It is chambered in 5.56 NATO with a 1:7 twist...

This is a complete barrel assembly chambered in 5.56 NATO, built for MCR rifles and for both MCR and Raptor upper receiver assemblies. The barrel is 16.25" long and nitrided, with a 1:7 right-hand...