The Angstadt Arms UDP-9 is a compact AR-style pistol chambered in 9mm designed for range use, competition, and personal defense applications. Its pistol configuration and compact overall length make it suitable for operators seeking a short-package 9mm AR platform.

The UDP-9 pairs AR ergonomics with a purpose-built 9mm bolt assembly and a lightweight free-float handguard to deliver manageable recoil and familiar controls. The design emphasizes modularity and compatibility with common 9mm PCC accessories.

Physical/Product Overview

The UDP-9 features billet 7075-T6 construction for its receiver set and a slick-side upper receiver for a streamlined profile. Ergonomics include a flared magwell, an integrated oversized trigger guard, and a B5 pistol grip to aid handling and reloads.

Key external features include a 6-inch threaded barrel finished in black melonite, a 5.50-inch free-float M-LOK handguard, and a continuous mil-spec 1913 Picatinny rail for optics and accessories.

Key Specifications

The caliber is 9mm Luger.
The magazine capacity is 15+1.
The package includes one 15-round magazine.
The barrel is 6 inches long and features a 1/2×28 threaded black melonite finish with an A2 style flash suppressor.
The handguard is a 5.50-inch free-float ultra-light M-LOK design.
The lower and upper receivers are made from 7075-T6 billet aluminum.
The fire control group is Mil-Spec AR-15/M4.
The bolt assembly is a 9mm bolt assembly designed for use with a standard AR-15 hammer.
The firearm accepts Glock aftermarket magazines, and factory Glock magazines are recommended.
The weight is sub 5 lbs and the overall length is 22 inches.

Buy the Angstadt Arms UDP-9 9mm Luger online today to add a compact, AR-style 9mm pistol to your collection that is suitable for range work, competition, and personal defense.

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