Quality AR 15 uppers, AR15 parts, AR-15 rifle manufacturer. Friday Harbor, WA
Dealer Login: Pass:
Click To Login | Become a Dealer
16" M4 1/9 With 10" Quad Rail, BCG and CH
Return To Products | Proceed To Cart
Original Price $379.99
Your Price $329.99
LOADING...
Thought of as the ultimate complete AR15 upper for your next build. The accuracy of a Hardened Arms 16" 4150CMV barrel and the functionality of a 10" quad rail. With the addition of a chrome lined BCG and a mil-spec charging handle you can be confident your build will set you up for success from the beginning.

AR-15 Upper Receiver Assembly with BCG and Charging Handle:
  • 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
  • Melonite Coated barrel (Harder and more durable than chrome lining)
  • 1/9 Barrel Twist
  • Chambered in 5.56 NATO (will also fire .223 ammo)
  • 16" M4 Profile barrel with M4 Extension
  • .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
  • Tactical Quad Rail free float 10" hand guard without end cap
  • Full Auto Profile Mag-Phos Chrome Lined BCG
  • Milspec Charging Handle


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.

If ordering multiples please call us for less expensive combined shipping rates.

515 Tucker Ave, Friday Harbor, WA 98250 | sales@hardenedarms.com
Phone: 425-530-0837