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16" 5.56 1/8 Upper with 10" Quad Rail - Blem Sales
On Target With
Savings Of
Original Price $329.99
Sale Price $179.99
Looking for a great deal? Perfect for those who use their firearms and don't mind a minor finish flaw. Available for the first time in limited quantity a Hardened Arms upper at an unreal price with a minor cosmetic blemish. Fully functional and ready for your next range day or training class.

A Hardened Arms 16" socom profile upper delivers the same ballistics as a 16" M4 without the lost rigidity of grenade launch cut in the barrel. Rigidity in a barrel has HUGE effects on harmonics of your rifle barrel. Ever notice that a bull barrel outperforms a pencil barrel shot to shot? The socom is a modified military barrel that is lightened under the handguard like an M4 barrel with a .750" diameter from the gas block all the way forward. We highly recommend a socom barrel of a M4 unless you plan on carrying a grenade launcher? If you are lucky enough to have a grenade launcher barrel harmonics go out the window as your launch canisters of freedom down range at those that oppose you. Built with the same machine gun rated 4150CMV barrel steel and QPQ coating that out performs military interior chrome coating specifications it will last most shooters a lifetime. Chambered in 5.56 NATO with a 1/8 twist these barrels will eat 45+gr-62gr ammunition with more projectile rotational stability towards the 55gr pills. Steel case 5.56 is fun to plink with but load up some match grade 55+ grain ammo and see this upper really shine.

Whats your rifle built for?

If there is on thing you should never doubt is the company behind the rifle you rely on. We are known for our customer service and strive to treat our customers like family. Our uppers fit all "mil-spec" lower receivers and  are designed to last a lifetime. We machine our parts in house so we can stake our name on every part that leaves our shop. When you buy from Hardened Arms your buying from the machine shop, so you get the highest quality parts, with no middle men at prices that leaves most gun shops to shame.

16" 5.56mm Socom AR15 Upper Assembly Specifications:

        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
        4150CMV Barrel Material
        Black Melonite QPQ Finish
6-Groove, 1/8 twist button rifled nitrogen stress relieved barrel
        Chambered in 5.56 NATO (will also fire .223 ammo)
        16" socom Profile barrel with M4 Extension
        .750" diameter at gas block
        1/2x28 threaded muzzle/barrel
        Low profile Hardened Arms gas block
        Barrel dimpled to secure and align gas block
        Carbine length gas system
A2 flash hider
Carbine length Tactical 10" Quad Rail WITHOUT Endcap
Fits any mil-spec AR15 lower receiver.
4150CMV Barrel Steel
Whether starting with our 4150CMV machine gun barrel steel or highly refined 416R stainless steel our barrels are a cut above the rest. Engineered for accuracy and durability they are double nitrogen stress relieved and sodium nitrate coated/melonited (raw stainless steel is polished with melonited extensions). Index pins that lock into the upper receiver are pinned into the barrel through the extension on melonited barrels meaning the extension will never come loose. Machined in house on state of the art CNC equipment we deliver a barrel with every spec carefully controlled for peak performance.
Rail Lock Free Float Handguard
Machining our handguards in house provides us the opportunity to integrate features not found on most rails in the industry. Our rail lock feature, is designed to dovetail around your upper reciever insexing to insure a perfectly aligned rail that extends over the end of the upper reciever enough to do away with the unsightly gap found on lesser quality rail to receiver match ups. Combined with 6061-T6 aluminum with class II type III, hard coat anodized finish to match our uppers, fit and finish are top notch. Hardened Arms has many rail styles to choose from that are both stylish and functional. Our handguard offerings include quad rails, reduced weight rails, ergonomic smooth rails, skinny competition rails and our innovative patented Lumashark(R) illuminated rail with high lumen lights built in. Hardened Arms rails come in a variety of lengths and choices to meet your mission specific needs. .
Attention to detail.
It's the attention to detail that sets Hardened Arms apart. Items such as our machined in house 'Jam Nut' ensure ease of changing muzzle devices and indexing flash hiders while being fully re-useable. Crush washers are a thing of the past as they are single use and can induce stress and cause problems if used improperly. Bull barrels use shims to time your muzzle device without adding to the diameter of the already rigid barrel.

Alignment dimples are also machined into your barrel at the same time the gas port is drilled to provide 100% accurate positioning of your gas block and to keep it securely in place in spite of recoil. We machine our gas blocks and adjustable gas blocks right here from 4150 US barrel steel to give you the strongest and most durable product possible..
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 and short barreled rifle restrictions. 20% restocking fees if you cancel anytime after you order or 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. Fits any mil-spec AR15 lower receiver.
515 Tucker Ave Friday Harbor, WA 98250 |
Phone: 425-530-0837