Angstadt Arms UDP-45 Pistol (Black) with SB Tactical SBA3 Pistol Brace

Out of stock - Join the waitlist to be emailed when this product becomes available


The UDP-45 Pistol with SB Tactical SBA3 stabilizing brace is a compact AR-45 style firearm chambered in 45ACP and fed with GLOCK magazines. It features last round bolt hold open, an integrated trigger guard, flared magwell and a 5.5″ free float M-LOK hand guard with a modern, ergonomic, 7 side design. Machined from 7075-T6 aluminum the UDP-45 comes with a lifetime warranty.  Includes one GLOCK OEM 45acp magazine (15-Rounds)

Features on this Pistol

  • 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
  • 45acp bolt assembly for use with a standard AR-15 hammer
  • 6” 45acp barrel in chrome moly with a 1/16 twist, black melonite finish and A2 style flash suppressor
  • Barrel is threaded .578×28 and can accept a suppressor
  • SB Tactical SBA3 pistol stabilizing brace with 5-position adjustable length of pull settings and an integral, ambidextrous QD sling socket
  • Magpul K2 pistol grip
  • Angstadt Arms 5.5” free float M-LOK hand guard with a modern, ergonomic, 7 side design that allows for 45 degree offset mounting options
  • Continuous top mil-spec 1913 picatinny rail
  • Weight: 5lbs
  • Length: 22″
  • Accepts all Glock® aftermarket magazines
  • Includes one 15 round Glock magazine
SKU: 853427007172 Categories: , Tag:


Additional Information
ManufacturerAngstadt Arms
ModelUDP-45 Pistol
TypePistol: Semi-Auto
Caliber.45 ACP
Receiver7075-T6 Billet Aluminum (Blalck)
TriggerMil-Spec Trigger
Barrel Length6″ Chrome Moly with 1/16 Twist (threaded .578×28 tpi)
BraceSB Tactical SBA3 Pistol Stabilizing Brace – Black
Weight5.0 lbs
AccessoriesOne 15 Round Glock Magazine
Product UPCAAUDP45B06

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.

Learn More