Angstadt Arms UDP-9iC Integrally Suppressed SBR

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The UDP-9iC is a compact, lightweight integrally suppressed 9mm AR-15 short barrel rifle.  It accepts any 9mm double stack GLOCK® magazine and features last round bolt hold open.  The port system on the UDP-9iC SBR features 15 threaded holes that allow the end user to tune the velocity and sound signature based on their specific ammunition loads.

**All NFA rules apply**

Additional Features Include:

  • Last round bolt hold open on an empty magazine
  • Flared magwell for faster reloads
  • Integrated, oversized trigger guard
  • 7075-T6 billet aluminum lower with a matte black hard-coat anodized finish
  • 7075-T6 billet aluminum slick side upper receiver with appropriately sized ejection port and no forward assist or dust cover
  • Threaded bolt catch screw
  • 9mm bolt assembly for use with a standard AR-15 hammer
  • 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
  • Weight: Sub 6 lbs
  • Length: 29.9″
  • Patent pending
  • Accepts all Glock® aftermarket magazines. We recommend using factory Glock® magazines
  • 17-4 Heat treated Baffle Stack
  • Full Auto Rated
  • User Configurable adjustable port system, capably of 0-125 FPS in velocity reduction. Capable of dropping 115gr bulk pack (1,200 fps) down to 1075 fps
  • Vented Blast chamber to eliminate First Round Pop on even 115gr supersonic round


Additional Information
ManufacturerAngstadt Arms
ModelUDP-9iC Integrally Suppressed SBR
TypeRifle: Semi-Auto
Capacity33+1 (Standard Glock Mags)
Receiver7075-T6 Billet Aluminum
TriggerMil-Spec Trigger
Barrel Length6″ barrel, 5.9″ suppressor (11.9″ OAL)
Overall Length29.9″
Weight5.8 lbs
AccessoriesOne 33 Round & One 17 Round Glock Magazine

Additional Information Content

Modern Warriors

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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