Angstadt Arms UDP-9 Pistol 9mm 6" Barrel

Angstadt Arms UDP-9: Modern 9mm Pistol Performance

The UDP-9 represents a thoughtful approach to compact 9mm pistol design, leveraging the proven AR-15 platform while maintaining practical size and weight. This is a firearm built for shooters who value modularity and reliability.

Key Features

• Magazine Compatibility: Feeds standard GLOCK magazines, ensuring affordable and readily available ammunition storage
• Last Round Bolt Hold Open: Automatically locks the bolt to the rear when the magazine empties, providing immediate feedback and faster reloads
• Suppressor Ready: 6" barrel is threaded 1/2"×36, accepting standard suppressors for reduced noise and recoil
• Ergonomic Design: Flared magwell speeds magazine changes; oversized trigger guard accommodates gloved operation
• Lightweight Construction: Weighs under 5 pounds, making it ideal for extended shooting sessions or duty use

Technical Specifications

Barrel & Action

• 6" chrome moly barrel with 1/10 twist rate and black melonite finish
• A2 style flash suppressor included
• 9mm bolt assembly compatible with standard AR-15 hammers

Receivers & Materials

• 7075-T6 billet aluminum lower receiver with matte black hard-coat anodize
• Slick side upper receiver (no forward assist or dust cover) with properly sized ejection port
• Continuous mil-spec 1913 Picatinny rail on top

Furniture & Accessories

• Magpul K2 pistol grip for comfortable control
• 5.5" free float M-LOK handguard with seven-sided ergonomic design
• 45-degree offset mounting options for optics and accessories

Overall Length: 22 inches

The UDP-9 delivers AR-platform familiarity in a compact package, making it an excellent choice for home defense, range training, or as a versatile backup firearm.