Features:The semi-automatic Sub-2000(TM) is designed to be the most convenient .40 caliber rifle available. It's adjustable and foldable to 16.25 x 7 inches for easy storage and can accept most popular handgun magazines. Plus it can easily be disassembled for cleaning or inspection without tools. Ideal for backpacking trips and situations where space and convenience are paramount.Specifications: Caliber: .40S&W Weight Unloaded: 4.25lbs Magazine Capacity: Same as Magazine used (Beretta 96) Overall Length: 30.5" Length Collapsed : 29.25" Barrel Length: 16.25" Twist Rate: 1:16" Trigger Pull: 9.5lbs