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16" 5.56 SS 1/7 Socom 10" HD Quad Upper
On Target With
Savings Of
Original Price $299.99
Sale Price $229.99
Why run a stainless steel barreled upper?

Hardened Arms produces some of the finest stainless steel upper assemblies machined in house on the market. 416R provides better harmonics and more stability shot to shot giving you better accuracy. Ideal for the shooter looking for a rifle they can count on with better accuracy and the ultimate in corrosion resistance. This 16" barrel is paired with a melonited M4 extension giving you a tough lock up surface for your bolt to mesh with the barrel and a self lubricating surface. The 1/7 twist of the barrel gives you the ability

Looking for a utility rifle that can take a beating?

Relied on as the primary weapon of the armed forces the 16 inch upper won't let you down. Upgraded with a stainless steel barrel means you never have to worry about this barrel corroding whether you are in a marine environment or don't have time to clean it before putting in the rifle rack in your truck. The Hardened Arms machined 10" free float quad rail provides a base to work from in configuring your rifle. Compatible with all picatinny accessories you can outfit your upper just a front backup sight or the entire kitchen sink depending on the setup you like to run.

16" Stainless Steel Hardened Arms 5.56mm AR15 Upper 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
  •     416R Nitrogen Stress Relieved Stainless Steel 5.56mm Barrel
  •     Air-Gauged, Inspected and head spaced
  •     Chambered in 5.56mm (Will also shoot .223)
  •     16" Socom Profile barrel with M4 Extension
  •     1/7 Barrel twist
  •     .750" barrel 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" Hardened Arms Quad Rail Upper (end cap available as an upgrade)

Fits any mil-spec AR15 lower receiver.
515 Tucker Ave Friday Harbor, WA 98250 |
Phone: 425-530-0837