Whether your headed to the range or a 3-Gun competition we have put together a package that will perform with the top of the field. Built on a 4150CMV nitrogen stress relieved barrel machined in house to deliver the accuracy you demand. Complete with a bolt carrier group, charging handle and one of our new 15" free floated Slim Line M-Lok key mod rails this upper is lightweight, accurate and reliable.
AR-15 Complete Upper 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 5.56mm 4150CMV Nitrogen Stress Relieved Hardened Arms Barrel M4 profile Barrel with 1/9 Twist Chambered in 5.56 NATO (will also fire .223 ammo) 16" 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 15" Slim Line M-Lok 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.