The UDP-9 Pistol with SB Tactical SBA3 stabilizing brace finished in Magpul Flat Dark Earth (FDE) Cerakote Technical Specifications Magpul Flat Dark Earth (FDE) Cerakote H-267Q finish on lower receiver, upper receiver and handguard Last round bolt hold open on an empty magazine Flared magwell for faster reloads Integrated, oversized trigger guard 7075-T6 billet aluminum lower receiver 7075-T6 billet aluminum slick side upper receiver with appropriately sized ejection port and no forward assist or dust cover Threaded bolt catch screw 9mm bolt assembly for use with a standard AR-15 hammer 6” 9mm barrel in chrome moly with a 1/10 twist, black melonite finish and A2 style flash suppressor Barrel is threaded 1/2×36 and can accept a suppressor SB Tactical SBA3 pistol stabilizing brace with 5-position adjustable length of pull settings and an integral, ambidextrous QD sling socket Magpul K2 pistol grip Angstadt Arms 5.5” free float M-LOK hand guard with a modern, ergonomic, 7 side design that allows for 45 degree offset mounting options Continuous top mil-spec 1913 picatinny rail Weight: Sub 5lbs Length: 22″ Patent pending Accepts all Glock® aftermarket magazines. We recommend using factory Glock® magazines