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.50 Beowulf® SBR Upper

.50 Beowulf® SBR Upper


This Upper Features:

– 12″ Chrome Moly Barrel
– 1:20 Twist Rate
– 49/64-20RH Threading
– Thread Protector Included
– Alexander Arms® Branded Hand Guard
– Standard Charging Handle
– Black Anodized Finish
– One 7-round magazine.

This product qualifies for our Layaway Program.

This upper receiver assembly is intended for use with a registered SBR or class III lower receiver.

All NFA rules apply


SKU: SBR-50 Category:

All Alexander Arms® upper receiver assemblies are fully-complete, function-tested, and ready to fire. This product cannot be ordered along with a .50 Beowulf® lower receiver due to NFA rules and short-barrel rifle laws.

There is not a muzzle device that can be installed to bring the overall barrel length to 16 inches. It is not possible for this upper receiver assembly to be configured in a way that circumvents NFA rules or short-barreled rifle laws.

Please note that using any ammunition that is not factory loaded Alexander Arms® .50 Beowulf® ammunition will void the warranty on upper receivers, rifles and DIY kits.


Additional information

Weight 4.4 lbs
Dimensions 20 × 3 × 2 in


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