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AR-15 Uppers
.50 Beowulf® | AR-15 Uppers
All .50 Beowulf® upper receiver assemblies are fully-complete, function-tested, and ready to fire. All available products and options are visible in the Online Store. We do not produce custom weapons.
The .50 Beowulf® was designed to not have an ejection port cover. The port is much larger than a typical AR-15, so no, you cannot retrofit one. Trust us, you don't need it. As an addendum, the hinge points are left on the receiver because the upper receiver would cost more to manufacture by removing them from the design. They are not left specifically so that port doors can be retrofitted to the upper and we do not encourage this retrofitting.
All uppers and rifles are built to order and have an estimated lead time of 4-6 weeks.
The .50 Beowulf® was designed to not have an ejection port cover. The port is much larger than a typical AR-15, so no, you cannot retrofit one. Trust us, you don't need it. As an addendum, the hinge points are left on the receiver because the upper receiver would cost more to manufacture by removing them from the design. They are not left specifically so that port doors can be retrofitted to the upper and we do not encourage this retrofitting.
All uppers and rifles are built to order and have an estimated lead time of 4-6 weeks.
.50 Beowulf® Entry Upper Features:
- Flat-top receiver
- 16.5" chrome moly barrel with 1:20 twist rate
- Standard A2-type two-piece handguard
- Standard Picatinny railed gas block
- Direct impingement operating system
- Weight of upper is 4.45 lbs
This unit is 100% complete and is compatible with any standard-specification lower receiver (no modifications required).
- Flat-top receiver
- 16.5" chrome moly barrel with 1:20 twist rate
- Standard A2-type two-piece handguard
- Standard Picatinny railed gas block
- Direct impingement operating system
- Weight of upper is 4.45 lbs
This unit is 100% complete and is compatible with any standard-specification lower receiver (no modifications required).
.50 Beowulf® Tactical Upper Features:
- Flat-top receiver
- 16.5" chrome moly barrel with 1:20 twist rate
- Low-profile gas block
- Manticore Arms Transformer Rail handguard
- Direct impingement operating system
- Barrel threaded 49/64-20
- One 7-round magazine
- Weight of upper is 4.45 lbs.
- Flat-top receiver
- 16.5" chrome moly barrel with 1:20 twist rate
- Low-profile gas block
- Manticore Arms Transformer Rail handguard
- Direct impingement operating system
- Barrel threaded 49/64-20
- One 7-round magazine
- Weight of upper is 4.45 lbs.
This unit is 100% complete and is compatible with any standard-specification lower receiver (no modifications required)
Upper is shown with an FDE Cerakote finish, with FRAG grip panels and KeyMod panels, threaded barrel and the Tank Muzzle Brake. These are all available as upgrade options below.
.50 Beowulf® Hunter Complete Upper Features:
- Flat-top receiver
- 16.5" button-rifled, chrome moly barrel
- 1:20 twist rate
- G10 composite free-floating rifle-length handguard
- Direct impingement operating system
- 49/64-20 muzzle threading (non-optional)
- One MK10 3-inch Picatinny rail section is included and installed on the top position of the handguard (It is possible to install four MK10 rail sections onto the handguard at the muzzle end in the positions of 3-, 6-, 9-, and 12-o'clock)
- One sling swivel stud is installed on the bottom side of the handguard
- The upper receiver assembly is produced in standard, durable Kryptek® Highlander camouflage (non-optional)
- One 7-round magazine.
- Flat-top receiver
- 16.5" button-rifled, chrome moly barrel
- 1:20 twist rate
- G10 composite free-floating rifle-length handguard
- Direct impingement operating system
- 49/64-20 muzzle threading (non-optional)
- One MK10 3-inch Picatinny rail section is included and installed on the top position of the handguard (It is possible to install four MK10 rail sections onto the handguard at the muzzle end in the positions of 3-, 6-, 9-, and 12-o'clock)
- One sling swivel stud is installed on the bottom side of the handguard
- The upper receiver assembly is produced in standard, durable Kryptek® Highlander camouflage (non-optional)
- One 7-round magazine.
This unit is 100% complete and is compatible with any standard-specification lower receiver (no modifications required).
Product displayed is shown with OPTIONAL thread protector.
.50 Beowulf® Precision Complete Upper Features:
- Flat top receiver
- 16.5" chrome moly barrel
- 1:20 twist rate
- G10 composite free-floating handguard
- Low-profile gas block
- Direct impingement operating system
- One 7-round magazine.
- Weight of upper is 4.25 lbs.
This unit is 100% complete and is compatible with any standard-specification lower receiver (no modifications required).
- Flat top receiver
- 16.5" chrome moly barrel
- 1:20 twist rate
- G10 composite free-floating handguard
- Low-profile gas block
- Direct impingement operating system
- One 7-round magazine.
- Weight of upper is 4.25 lbs.
This unit is 100% complete and is compatible with any standard-specification lower receiver (no modifications required).
.50 Beowulf® Overmatch Complete Upper Features:
- Flat top receiver
- 16.5" chrome moly barrel
- 1:20 twist rate
- Picatinny rail gas block
- Detachable front sight
- Rear carry handle
- Direct impingement operating system
- One 7-round magazine
- Weight of upper is 5.37 lbs
- Flat top receiver
- 16.5" chrome moly barrel
- 1:20 twist rate
- Picatinny rail gas block
- Detachable front sight
- Rear carry handle
- Direct impingement operating system
- One 7-round magazine
- Weight of upper is 5.37 lbs
This unit is 100% complete and is compatible with any standard-specification lower receiver (no modifications required).
.50 Beowulf® Advanced Weapon System Complete Upper Features:
- Flat-top receiver
- 16.5" chrome moly barrel
- 1:20 twist rate
- Low-profile gas block
- Midwest Industries free-floating four-railed handguard
- Direct impingement operating system.
- Threaded 49/64-20
- One 7-round magazine
- Weight of upper is 4.45 lbs.
- Flat-top receiver
- 16.5" chrome moly barrel
- 1:20 twist rate
- Low-profile gas block
- Midwest Industries free-floating four-railed handguard
- Direct impingement operating system.
- Threaded 49/64-20
- One 7-round magazine
- Weight of upper is 4.45 lbs.
This unit is 100% complete and is compatible with any standard-specification lower receiver (no modifications required).
.50 Beowulf® 12" Upper Complete Assembly Features:
- Flat-top receiver
- 12-inch barrel
- Carbine-length A2-type handguard
- 1:20 twist rate
- Direct impingement operating system
- 49/64-20 TPI threaded muzzle
- One 7-round magazine.
- Weight of upper is 4.3 lbs.
- Threaded muzzle devices are optional and must be selected as an upgrade option
- Flat-top receiver
- 12-inch barrel
- Carbine-length A2-type handguard
- 1:20 twist rate
- Direct impingement operating system
- 49/64-20 TPI threaded muzzle
- One 7-round magazine.
- Weight of upper is 4.3 lbs.
- Threaded muzzle devices are optional and must be selected as an upgrade option
This upper receiver assembly is intended for use with a registered SBR or class III lower receiver.
This unit is 100% complete and is compatible with any standard-specification lower receiver (no modifications required)
All NFA rules apply
This unit is 100% complete and is compatible with any standard-specification lower receiver (no modifications required)
All NFA rules apply
.50 Beowulf Upper Kit DIY Features:
- Includes complete upper receiver
- Gas block
- Dowel pins
- Gas tube
- 16" threaded barrel
- Thread protector
- Complete BCG with bolt.
- Includes complete upper receiver
- Gas block
- Dowel pins
- Gas tube
- 16" threaded barrel
- Thread protector
- Complete BCG with bolt.
Kit includes all parts needed to build your own complete genuine Alexander Arms Beowulf® upper. This kit allows you to choose your own handguard based on your needs. Barrel is drilled with the correct gas port size and allows you to confidently build this upper while at the same time customizing to your own needs.
.50 Beowulf® 12" DIY Upper Kit Features:- Thread protector
- BCG
- Bolt
- One 7 round magazine
- Muzzle devices can also be purchased as a separate item below
This is the perfect upper kit to build your own AR pistol or SBR (all NFA rules apply)