Angstadt Arms, UDP-9, Semi-automatic Pistol, 9MM, 6″ Chrome Moly Barrel, 1:10 Twist, Matte Black Finish, B5 Systems Pistol Grip, ODIN Works 5.5″ Free Float KeyMod Handguard w/Picatinny Rail, A2 Flash Suppressor, Accepts Glock Style Magazines, 1-10Rd Magazine Included, Lower receiver is not compatible with Magpul PMAG GL9 magazines