12.7×42 (.50 cal Beowulf) Complete Upper Receiver 18″ Barrel

Sold By : J-5 Tactical Supply Availability:


Sold By : J-5 Tactical Supply Category:

Product Description

12.7×42 Complete Upper Receiver (50 Beowulf)

This 12.7×42 Complete Upper Receiver is built by J-5 Tactical using only quality American made parts. This is a complete, AR-15 12.7×42 complete upper receiver with an 18 inch barrel that is fully assembled and ready to perform without hesitation. All J-5 Tactical 12.7×42 .50 cal Beowulf Complete Upper Receivers are tested prior to shipping. Trust J-5 Tactical Supply to provide you with a quality 12.7×42 Complete Upper Receiver.

1 – Complete BIG BORE upper receiver
            * larger ejection port, with forward assist.
1 – 18″ parkerized 12.7×42 barrel
1 – 15″ M-lok free floating hand guard and barrel nut
1 – Timber Creek Muzzle Brake
1 – Micro .936 gas block
1 – Stainless steel gas tube (carbine length)
1 – Bolt Carrier Group
1 – Mil-Spec Charging handle
*We test fire with the Lancer and properly modified GI mags.
*There may be slight variations in handguard style depending on current stock and availability*
The .50 Beowulf is an elephantine round designed to increase stopping power of an AR-15-platform rifle by a factor of 10 billion or so. The cartridge is just short enough to fit in a standard AR magazine, although for obvious reasons (it’s fat) it won’t double stack like .223 Rem./5.56 NATO cartridges. Developed by Alexander Arms, this cartridge is a straight-wall case topped with, you guessed it, a .50-caliber projectile. So that it can use a 6.5 Grendel type 2 bolt face, the case rim is rebated, or smaller than the case body. This not only allows use for a “more standard” bolt, but it also allows the bolt to have enough metal on it to withstand pressure over time and use.

There are no reviews yet.

Be the first to review “12.7×42 (.50 cal Beowulf) Complete Upper Receiver 18″ Barrel”

First: Rate the product. Please select a rating between 0 (poorest) and 5 stars (best).