Angstadt Arms UDP-9 9mm 6" 16-Round Threaded Barrel Carbine

The Angstadt Arms UDP-9 9mm 6" 16-Round Threaded Barrel Carbine represents a purpose-built, compact platform engineered for close-quarters engagement and rapid target transitions. Designed for operators who demand modularity without compromise, this carbine bridges the gap between pistol caliber efficiency and rifle ergonomics—ideal for law enforcement entry teams, private security, and tactical shooters requiring a lightweight, maneuverable platform. The UDP-9 platform has earned credibility in professional and civilian markets for its reliability and configurable design philosophy.

Built around a 6-inch threaded barrel, this carbine delivers improved velocity and accuracy over shorter platforms while maintaining a compact 25-inch overall length—critical for vehicle-based operations and confined-space tactics. The threaded barrel accepts standard 1/2x28 suppressors and muzzle devices, reducing noise signature and recoil impulse during critical operations. Chambered in 9mm Luger, the UDP-9 offers shooter-friendly recoil impulse, lower ammunition costs, and compatibility with common law enforcement and civilian cartridges. The 16-round magazine capacity provides practical firepower density without excessive size penalty; the direct-blowback operating system ensures reliability across ammunition variants and shooting conditions. Weighing just 5.54 pounds, the platform remains handy and fatigue-resistant during extended patrol or training cycles.

Operators in close-quarters environments—SWAT teams, breaching specialists, plainclothes tactical units, and home-defense-focused shooters—benefit most from the UDP-9's ergonomic profile and rapid target acquisition geometry. The Angstadt Arms platform supports rail-mounted optics, weapon lights, and vertical grips via standard Picatinny systems, enabling customization for specialized missions. Installation of suppressors or flash hiders is straightforward; the 1/2x28 thread pitch is industry-standard. Law enforcement and civilian end-users appreciate the UDP-9 for duty rotation, training, and dynamic shooting courses where reliability and ease of transition between platforms matter most.