Item Description Details Shipping Information AdditionalCaliber: 9mm Parabellum / Luger 9" Nitride Finished Barrel 1:10 Twist RateBrigade 3" Faux Can / Muzzle EnhancerBM LW U-Rail series one-piece free float railRail accepts Keymod and M-Loc attachments CNC Machined 7075-T6 Mil-Spec UpperCNC Machined 7075-T6 Mil-Spec Lower Picatinny Rail on Upper and RailAR-15 Compatible Mil-Spec Trigger Mil-Spec AR-15 Charging Handle SBA3 Adjustable Pistol BraceAR-15 Configured Safety SelectorAR-15 Configured Last round Bolt Hold openAR-15 Configured Lever Type Magazine ReleaseAR-15 Compatible TriggersAR-15 Compatible Pistol GripUnloaded Weight 5.8lbsCollapsed Length 24"Extended Length 26 1/2"Compatible with 9mm approved 1/2″x 36 T.P.I. muzzle devices and suppressorsAction: blowbackCapacity: Ships with 33 round 9mm Glock MagBolt 4140 Chrome Moly heat-treated steelMil-Spec Buffer Tube. Will accept most AR-15 aftermarket accessoriesCerakote Finish FFL: Yes Caliber: 9mm