Angstadt Arms UDP-9 SMG (9mm) - Full Auto - Law Enforcement Only

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The UDP-9 SMG is a compact, military assault weapon chambered in 9mm that will use factory GLOCK® magazines.  If your department already uses a Glock 9mm handgun as its duty weapon, this is the perfect addition to your armory.


Some of the features include:

  • 7075-T6 billet aluminum lower with a matte black hard-coat anodized finish
  • Flared magwell for faster reloads
  • Integrated, oversized trigger guard
  • Last round bolt hold open on an empty magazine
  • Threaded bolt catch screw
  • 7075-T6 billet aluminum slick side upper receiver with appropriately sized ejection port and no forward assist or dust cover
  • 9mm bolt assembly for use with a standard AR-15 hammer
  • 6” 9mm barrel in chrome moly with a 1/10 twist, 1.2×36 TPI and A2 style flash suppressor
  • MVB 9MM ARC Stock
  • Magpul K2 pistol grip
  • ODIN Works 5.5” free float keymod hand guard with continuous top picatinny rail and mounting positions at 3, 6, and 9 o’clock


Additional Information
ManufacturerAngstadt Arms
ModelUDP-9 SMG
TypeSelect Fire (LE/GOVT ONLY)
Caliber9mm NATO
ActionSelect Fire/Full-Auto
SightsNo Sights
Barrel Length6.0″
Overall Length18″ Collapsed;  22″ Extended
Weight5.5 lbs
Accessories1 Magazine
Product UPCUDP-9 SMG

Additional Information Content

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We started Modern Warriors for the sole purpose of providing a less expensive way to enjoy our love of buying and shooting some really cool stuff. What started as a hobby has turned into a business where we have developed the experience and ability to help you enjoy our same hobby and save you money in the process.

We specialize in tactical weapons, including suppressors, short barrel rifles and full auto weapons. We have routine experience in shooting the weapons we carry, so if you want our opinion on how a weapon operates, we will gladly provide it. We also have expertise working with licensed professionals in setting up gun trusts, which is an ideal way of purchasing, owning and operating any weapon restricted by the National Firearm Act. Don’t let the word “trust” scare you. It is very easy to set one up if you have the right help.

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