Alexander Arms AR-15 Pistol A3 Upper Receiver Assembly 50 Beowulf 12" Barrel
- Upper Receiver: Modified A3 Flat-Top (No Ejection Port Door)
- Barrel Length: 12"
- Barrel Contour: Heavy, Tapered
- Barrel Material: Chrome Moly Vanadium Steel
- Muzzle Thread Pattern: 49/64"-20
- Chrome Lined: No
- Barrel Finish: Parkerized
- Twist Rate: 1 in 20"
- Chamber: 50 Beowulf (12.7x42mm)
- M4 Feed Ramps: No
- Muzzle Device: Pepper Pot Muzzle Brake
- Gas System Length: Carbine
- Gas Block Diameter: 0.907"
- Handguard: 2-Piece Polymer w/Heat Shield, M4-Style
- Sights: None
- Bolt Carrier Assembly Included: Yes
- Bolt Carrier Type: 50 Beowulf Compatible Carrier
- Extras: Single Rail Gas Block, 7 or 10-Round Magazine
- Weight: 4.8 lbs
- Upper does NOT have an ejection port door
Please Note: An “AR-15 Pistol” upper assembly has a barrel less than 16” in length. Pistol uppers are only for use on AR-15 pistol lowers and legal Short-Barreled Rifles. Other configurations may violate Federal law.
Alexander Arms supplies either a 7 or 10-Round magazine with this upper receiver assembly. Sorry, no choice in magazine. Not available in areas where 10-round magazines are prohibited.
The statements and opinions expressed within Customer Reviews reflect each author's personal perspective and do not imply endorsement by MidwayUSA, its Employees or any other organization. Customers should in no way infer that MidwayUSA has validated review information as safe, accurate or appropriate.
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