Quality AR 15 uppers, AR15 parts, AR-15 rifle manufacturer. Friday Harbor, WA
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10.5" 7.62x39 Melonite Upper Tac Quad Rail
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Your Price $329.99
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Tired of spending all your gun budget on ammo every month instead of new gear? Now you can enjoy shooting steel cased Tula, Wolf or Herters (non-corrosive, non-lacquer coated) ammo and have more fun for less money! Turn your AR15 pistol into a fire breather while shooting more and spending less. Tuned for standard carbine buffers with an extractor upgrade (pre-installed in our BCGs) or run a H3 buffer and let it rip. ASC magazines recommended for best feeding and maximum reliability.

AR15 7.62x39mm Pistol Upper Receiver Assembly:
  • Hardened Arms M4 Feed Ramp Flat Top Receiver
  • Forged 7075 aluminum upper receiver
  • Black anodized mil-spec finished upper receiver
  • Feed ramps for increased feeding reliability on barrel and upper
  • Laser etched T-Marked upper receiver
  • Black Melonited 7.62x39 HBAR Barrel
  • 1/10 Barrel Twist -Chambered in 7.62x39mm
  • 10.5" HBAR Profile barrel with M4 Extension
  • .750" barrel diameter at gas block
  • 5/8x24 threaded muzzle/barrel
  • Low profile gas block
  • Barrel dimpled to secure gas block
  • Carbine length gas system
  • A2 flash hider
  • Tactical 10" Free float quad rail with end cap
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.


Due to high order volume and build to order production, time to ship is currently running 3 to 4 weeks.
515 Tucker Ave, Friday Harbor, WA 98250 | sales@hardenedarms.com
Phone: 425-530-0837