A 10.5" 5.56mm upper featuring Hardened Arm's New Scorpion 10" free float handguard. A strong but light weight 6061-T6 handguard with a continuous top rail and dual lock up feature.
Barreled Upper Receiver Assembly:
Hardened Arms M4 Feed Ramp Flat Top Receiver
Black anodized mil-spec finished upper receiver
Feed ramps for increased feeding reliability on barrel and upper
Laser etched T-Marked upper receiver
Chrome Moly High End Steel Barrel
Black Mag-Phos Finish
Chambered in 5.56 NATO (will also fire .223 ammo)
10.5" Socom Profile barrel with M4 Extension
.750" diameter at gas block
1/2x28 threaded muzzle/barrel
Low profile gas block
Barrel dimpled to secure gas block
Carbine length gas system
A2 flash hider
10" Scorpion Free Float Rail
Fits any mil-spec AR15 lower receiver.
Hardened Arms uppers are high end, accurate, head spaced, inspected and test fired prior to shipping. They are built using stringent specs, top quality parts and procedures to ensure maximum reliability and performance.
You are responsible for knowing your state laws regarding barrel lengths, pistol, Short barreled rife restrictions. 20% restocking fees if you can not take delivery due to state restriction. Dealer programs are available on our website. Two year warranty against manufacturer defects. Finishes will wear with use, no warranties apply to finish wear.