American Made
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16" 5.56 M4 1/9 Mel 12" LumaShark(TM) Upper
Your Price $829.99
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!

AR-15 Upper Receiver 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
  • Chrome Moly 5.56 High End Barrel
  • Black Melonited finish
  • Chambered in 5.56 NATO (will also fire .223 ammo)
  • 16" M4 Profile barrel with M4 Extension
  • 1/9 Barrel Twist
  • .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
  • 12" LumaShark 12" free float 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:
     flush On/Off buttons
     Pressure Pad (single or double format)
     Red Laser

    Proudly machines and assembled in the USA.

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 and short barreled rifle restrictions. A 20% restocking fee will apply anytime after ordering 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.

515 Tucker Ave Friday Harbor, WA 98250 |
Phone: 425-530-0837