Angstadt Arms 9mm Complete Upper Receiver Suppressor Ready - 4.5"

Manufactured by Angstadt Arms
SKU: AAUT109045
MPN: AAUT109045
Manufactured by Angstadt Arms
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NOTE: This upper receiver has a barrel that is less than 16” in length and is intended for use in AR pistol or legal short-barreled rifle builds. Other configurations may violate Federal law.

The Angstadt Arms 9mm Complete Upper Receiver is ready to go right out of the box and is compatible with any Mil-Spec AR-15 lower receiver. This suppressor ready model features the Angstadt 3-Lug muzzle brake for quickly attaching suppressors. The pistol caliber upper receiver is machined from a billet of 7075-T6 aluminum giving them complete control of the design. It features a slick side design without forward assist and a properly sized ejection port without a dust cover. This 9mm AR-15 Complete Upper features a 4.5” lightweight barrel machined from 4140 chrome moly steel and a Melonite finish. The free float handguard features M-LOK attachment slots as well as two integral QD sling swivel slots and is 1.405” in diameter to accept most suppressors. The 9mm Bolt Carrier Group included in this package is compatible with both Colt and Glock style magazines and is black Nitride finished. Build your AR-15 PCC today with the Angstadt Arms Complete 9mm Upper Receiver.

  • 9mm 4.5” barrel
  • Lightweight profile
  • 4140 Chrome moly steel
  • Threaded 1/2x36
  • 7075-T6 Aluminum receiver
  • BCG compatible with Glock and Colt mags
  • 4” M-LOK free float handguard
  • Angstadt Arms 3-lug muzzle brake
  • Angstadt Arms Blastwave blast shield
  • Ambidextrous charging handle

Angstadt Arms designs innovative weapon platforms for military, law enforcement, and shooting enthusiasts. They specialize in 9mm sub guns and their UDP-9 9mm AR is deployed in over 30 countries worldwide.
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AssemblyComplete Assemblies
Barrel ContourLightweight
Barrel Length4.5
Barrel Material4140 Chrome Moly Steel
BrandAngstadt Arms
Caliber Gauge9mm Luger
Gas System LengthBlowback
Gas System TypeBlowback
Handguard4 in M-LOK Rail
Muzzle DeviceTri-Lug
Twist Rate1:10

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