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.50 Beowulf® SBR Upper

.50 Beowulf® SBR Upper


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.


SKU: SBR-50 Category:

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

All NFA rules apply


Additional information

Weight 4.4 lbs
Dimensions 20 × 3 × 2 in


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