Alexander Arms .50 Beowulf AR-15 Upper Receiver Kit - 16"

Manufactured by Alexander Arms
Manufactured by Alexander Arms
1 Review
No Longer Available
For individual Officer, First Responder, and Military pricing please make sure you are logged in. for details



The Alexander Arms .50 Beowulf AR-15 16" Upper Receiver Kit is the ultimate DIY upper kit for gun enthusiasts who crave quality and versatility. This DIY kit is packed with features that will make your customization project a breeze. With a 16" Chrome Moly Barrel and 1:20 twist rate, you can be sure of exceptional accuracy and precision at all times. The 49/64-20RH threading and thread protector will allow you to attach your preferred muzzle brake or flash hider easily.

This .50 Beowulf AR-15 Upper Receiver Kit comes with a complete upper receiver, standard charging handle, gas block, dowel pins, and gas tube. With the high-quality bolt carrier group and bolt, users can rest assured of its durability, reliability, and performance. Once installation is complete, users are ready to go shooting with the included 7-round magazine.

Note: Using any ammo that's not the factory loaded Alexander Arms .50 Beowulf ammunition will void this product's warranty from the manufacturer.


  • Compatible with Mil-Spec AR-15 lowers
  • 16" Chrome Moly barrel chambered in .50 Beowulf
  • 1:20 twist rate
  • 49/64-20RH threading
  • Forged Mil-Spec upper
  • Standard charging handle
  • BCG and charging handle
  • Gas block and tube
  • One 7-round magazine

    If you are looking for a DIY upper kit that offers an exceptional shooting experience, the Alexander Arms .50 Beowulf AR-15 16" Upper Receiver Kit is your ideal choice. This kit combines quality, performance, and versatility in a compact and robust package that will exceed your expectations.
See More


Barrel Coating
Barrel Length16
BrandAlexander Arms
Caliber Gauge.50 Beowulf
FinishHardcoat Anodized
Gas System LengthCarbine
Gas System TypeDirect Impingement
Muzzle DeviceThread Protector
Thread Pattern49/64 X 20
California Prop 65 warning

 WARNING: This product can expose you to chemicals, which are known to the State of California to cause Cancer and Reproductive Harm. For more information go to

Ratings & Reviews

1 review

  • 4 stars
  • 0 reviews
  • 3 stars
  • 0 reviews
  • 2 stars
  • 0 reviews
  • 1 star
  • 0 reviews

.50 Beowulf


Two words: BAD A**!!!!!!
Everything functioned great!