Quality AR 15 uppers, AR15 parts, AR-15 rifle manufacturer. Friday Harbor, WA
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AR15 Rifle - 16" 762x39mm HBAR Melonited 12" LumaShark(TM) Rail Rifle
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The LumaShark(TM) is an illuminated, weaponized, 12" free float hand guard whose patented features have eliminated the need for bulky bolt on flashlights on the AR Platform. It is the ultimate tactical AR15 hand guard on the market to date!

7.62x39mm AR15 Rifle 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
  • 4150CMV Stress Relieved 762x39 Barrel
  • Black Melonite/QPQ Finish
  • Stress relieved and crowned for superior accuracy
  • 1/10 Barrel Twist
  • Chambered in 762x39
  • 16" barrel with HBAR Extension
  • .750" 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
  • 7.62x39 BCG with enhanced firing pin, charging handle and 10rd mag
  • 12" LumaShark(TM) Hand Guard, Free Float 12" hand guard with 2 lights
    • *Ergonomic built in dual 1150 lumen Illumination
      *T6061 Aluminum hand guard with proprietary barrel nut
      *6061-T6 Type II Anodized
      *Ships with Two CREE 1150 lumin lights
      *Constant and momentary On/off buttons  "gloved hand"
      *IP68 Waterproofing to 16 feet
      *Ships with CR123a standard batteries
         (compatible with CR123a rechargeable)
      *M-lok slots for additional accessory mounting
      *Keychain tool for quick bulb changes
      *1.8 IP to allow room for suppressor options
      *Light weight (19.84 ounces with batteries installed

      Mission specific options available for an additional fee:
       Infrared
       flush On/Off buttons
       Pressure Pad (single or double format)
       Red Laser

      Proudly machined and assembled in the USA

Hardened Arms Forged Lower:

  • Mil-Spec 7075 Forged Lower
  • Mil-Spec Dimensions
  • Mil-Spec Lower Parts Kit Installed
  • M4 Collapsible Stock Installed

Hardened Arms rifles 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 rifle, and rifle restrictions.  A 20% restocking fee will apply if you cancel anytime after ordering or 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.

Rifles must ship to FFL in your state and will ship fully insured via UPS ground. Magazine shown is not included with purchase. 
515 Tucker Ave, Friday Harbor, WA 98250 | sales@hardenedarms.com
Phone: 425-530-0837