The Angstadt Arms UDP-9 PDW is a compact, personal defense weapon chambered in 9mm and fed with GLOCK magazines. The UDP-9 PDW features a billet aluminum receiver set, flared magwell, integrated trigger guard and many other features. The UDP9 uses standard Glock 9mm magazines with last round hold open, and a flared magazine for faster reloads.
The 9mm bolt assembly in the Angstadt Arms UDP9 functions with a standard AR-15 fire control group, allowing for trigger customization. The 6" chrome moly barrel has a 1/10 twist is threaded 1/2x36 for easy suppressor installation. Unlike many other factory SBRs, the UDP9 wears a MVB 9MM ARC Stock, K2 pistol grip, and ODIN Works 5.5" quad rail.