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Notice to our customers: Many of our products are in very high demand and production lead times can be extended for those items. Please be aware that our Online Store is not yet capable of indicating the inventory status or production lead time for any product. We allow back-ordering of all products. For answers to many common questions from our customers, please refer to our Product FAQs and Ordering FAQs. We continue to work very hard and to ship the highest volume of products possible to our customers every day!

Empty Image .50 Beowulf® Small Arrow Uppers
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U-BEO12- .50 Beowulf® 12" - Complete Upper Assembly

Picatinny rail receiver with 12-inch barrel and carbine-length handguard. Complete upper receiver comes with threaded muzzle. This upper receiver assembly is intended for use with a registered SBR or class III lower receiver. This unit will fit on any mil-spec lower receiver. All NFA rules apply. Threaded muzzle devices are optional and must be selected as an upgrade option. This product is pictured with the optional Pepper Pot muzzle brake. Ships with one 7-round magazine. Weight of upper is 4.3 lbs.


Price: $ 825.00 / Each

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  Handguard Upgrade - Please select the Midwest Industries four-railed handguard upgrade
Options Image Midwest Industries Four Railed Handguard (U-BEOLE1 (+$ 165.00)
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  Muzzle Upgrades - Please select a muzzle upgrade
No Upgrade
Options Image Thread Protector (M-BEOTP) (+ $ 30.80)
Options Image Threaded Tank Brake (M-BEOTNK) (+ $ 107.25)
Options Image Threaded Millennium Compensator (M-BMMB64) (+ $ 107.25)
Options Image Threaded Pepper Pot Brake (M-BEOLEMBFAC) (+ $ 98.99)
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Base Price:
Selected Options:   
Total Price:   
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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. Weight (may be approximate): 6.00 lb. / Each
Dimensions (LxWxH): 20.00 x 3.00 x 2.00 in.
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   Don't forget your ammunition and extra magazines! - This upper receiver assembly ships with one 7-round magazine. Visit the products below to add more to your order. We strongly recommend that you also add ammunition to your order instead of placing a separate order to avoid lengthy ammunition back-order situations.
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7-Round .50 Beowulf® Magazine
7-Round .50 Beowulf® Magazine
Alexander Arms® 7-round capacity magazine for the .50 Beowulf® weapon system. Aluminum.
Price: $ 26.40

10-Round .50 Beowulf® Magazine
10-Round .50 Beowulf® Magazine
Alexander Arms® 10-round capacity aluminum magazine for the .50 Beowulf® weapon system.
Price: $ 26.40

4-Round .50 Beowulf® Magazine
4-Round .50 Beowulf® Magazine
Alexander Arms® 4-round capacity magazine for the .50 Beowulf® weapon system. Aluminum.
Price: $ 26.40

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Alexander Arms
Radford Arsenal, P.O. Box 1
Radford, VA 24143
United States
Phone: 540-639-8356
Fax: 540-639-8353
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