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Alexander Arms .50 Beowulf Upper Receiver Build Kit Up to 21% Off w/ Free S&H — 2 models

Alexander Arms AR15 Stripped Pistol Upper, .50 Beowulf, 12 in Barrel, Carbine Length, 1-20 Twist, 49/64x20 Thread, Thread Protector, Black, KIT-50-12
Alexander Arms AR15 Stripped Rifle Upper, .50 Beowulf, 16 in Barrel, Carbine Length, 1-20 Twist, 49/64x20 Thread, Thread Protector, Black, KIT-50
Alexander Arms AR15 Stripped Rifle Upper, .50 Beowulf, 16 in Barrel, Carbine Length, 1-20 Twist, 49/64x20 Thread, Thread Protector, Black, KIT-50
Alexander Arms AR15 Stripped Pistol Upper, .50 Beowulf, 12 in Barrel, Carbine Length, 1-20 Twist, 49/64x20 Thread, Thread Protector, Black, KIT-50-12
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Alexander Arms AR15 Stripped Pistol Upper, .50 Beowulf, 12 in Barrel, Carbine Length, 1-20 Twist, 49/64x20 Thread, Thread Protector, Black, KIT-50-12
Alexander Arms AR15 Stripped Rifle Upper, .50 Beowulf, 16 in Barrel, Carbine Length, 1-20 Twist, 49/64x20 Thread, Thread Protector, Black, KIT-50
2 of 3 images
Alexander Arms AR15 Stripped Rifle Upper, .50 Beowulf, 16 in Barrel, Carbine Length, 1-20 Twist, 49/64x20 Thread, Thread Protector, Black, KIT-50
Alexander Arms AR15 Stripped Rifle Upper, .50 Beowulf, 16 in Barrel, Carbine Length, 1-20 Twist, 49/64x20 Thread, Thread Protector, Black, KIT-50
3 of 3 images
Alexander Arms AR15 Stripped Rifle Upper, .50 Beowulf, 16 in Barrel, Carbine Length, 1-20 Twist, 49/64x20 Thread, Thread Protector, Black, KIT-50

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Questions & Answers
does this cone assembled? ie barrel nut and barrel installed?

The barrel nut is not finished installed on the kit and requires final assembly of all parts.

by MELISSA, Verified Owner, April 21, 2025
See 3 More Answers
can you fit a handguard retainer for a milspec handguard

this upper will take all milspec handguards.

by MELISSA, Verified Owner, March 10, 2025
View All Q&A You Have a Question? Ask!
Customer Reviews
Helpful Positive Review Awesome firepower and reliability. by Sgtmac168, Verified Owner, April 21, 2022
I bought this 50. BEOWULF and built a nice rifle using the AR15 platform. The upper has a nice quality finish and build. I also added the muzzle brake. I went to the range this morning and to my surprise, the 50. BEOWULF had a tighter shot group tha...
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Product Info for Alexander Arms .50 Beowulf Upper Receiver Build Kit

The Alexander Arms AR-15 Upper Receiver Build Kit is the perfect kit for anyone wanting to create a one-of-a-kind AR-15. The Upper Receiver Built Kit comes with all the key components making it an excellent choice for a home build.image

WARNING: California`s Proposition 65

Specifications for Alexander Arms .50 Beowulf Upper Receiver Build Kit:

Manufacturer: Alexander Arms
Caliber: .50 Beowulf
Gas System Length: Carbine Length
Barrel Twist Rate: 1-20
Threads per Inch: 49/64x20
Muzzle Device: Thread Protector
Color: Black
Gun Type: Rifle
Gun Make: AR Platform
Gun Model: AR-15
Included Accessories: 7 RD Magazine
Condition: New
Magazine Included: Yes

Features of Alexander Arms AR15 Stripped Pistol Upper

  • Thread Protector
  • Complete upper receiver
  • Charging Handle
  • Gas block
  • Dowel pins
  • Gas tube
  • Complete BCG with bolt
  • One 7 Round Magazine

Package Contents:

  • Alexander Arms .50 Beowulf Upper Receiver Build Kit
  • 12" or 16" Barrel
  • 1:20 Twist Rate
  • 49/64-20RH Threading
  • Thread Protector Included (Upgrade Options Below)
  • Includes complete upper receiver
  • Charging Handle
  • Gas block
  • Dowel pins
  • Gas tube
  • Complete BCG with bolt
  • One 7 Round Magazine

What firearm models does the manufacturer say Alexander Arms .50 Beowulf Upper Receiver Build Kit is compatible with?

The manufacturer says that Alexander Arms .50 Beowulf Upper Receiver Build Kit is compatible with AR-15

Alexander Arms .50 Beowulf Upper Receiver Build Kit Orderable Models

List of Orderable Models

Alexander Arms AR15 Stripped Pistol Upper, .50 Beowulf, 12 in Barrel, Carbine Length, 1-20 Twist, 49/64x20 Thread, Thread Protector, Black, KIT-50-12 , MPN: KIT-50-12 , UPC: 819511021066 , Code: 61Q-URC-STRPU-KIT-50-12-10RD
Alexander Arms AR15 Stripped Rifle Upper, .50 Beowulf, 16 in Barrel, Carbine Length, 1-20 Twist, 49/64x20 Thread, Thread Protector, Black, KIT-50 , MPN: KIT-50 , UPC: 819511021059 , Code: 61Q-URC-STRPU-KIT-50-10RD

Alexander Arms .50 Beowulf Upper Receiver Build Kit Unavailable & Discontinued Models

List of Unorderable Models

DEMO, Alexander Arms AR15 Stripped Rifle Upper, .50 Beowulf, 16 in Barrel, Carbine Length, 1-20 Twist, 49/64x20 Thread, Thread Protector, Black, KIT-50 , MPN: KIT-50-DEMO , Code: 61Q-URC-STRPU-KIT-50-10RD-DEMO
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