This is the smallest and lightest in the RDB lineup. The RDB Survival was designed for all of you back country folks that want center fire rifle power in a very compact lightweight package without giving up velocity. This variant features a 16 lightweight barrel folding sights and collapsible stock. – Caliber: .223Rem – Weight Unloaded: 5lbs 14oz – Magazine Capacity: 20 or any AR15 Magazine – Overall Length: 26.1” – Barrel Length: 16.1” – Twist Rate: 1:7” – Trigger Pull: 4-6lbs