The Kel-Tec SUB-2000 Gen 2 is a lightweight, semi-automatic pistol-caliber carbine designed around popular handgun magazines. It is available in 9mm Luger or .40 S&W, depending on the specific model. The standout feature is its folding design, allowing the rifle to fold for compact storage. Key Specifications Manufacturer: Kel-Tec CNC Industries Model: SUB-2000 Gen 2 Type: Semi-automatic rifle / pistol-caliber carbine Caliber: 9mm Luger or .40 S&W Action: Blowback-operated Barrel Length: 16.25" Overall Length: Approximately 30.5" extended Folded Length: Approximately 16.25" Weight: Approximately 4.25 lbs unloaded Magazine Capacity: Varies depending on magazine and caliber Stock: 3-position adjustable Sights: Adjustable front sight and rear peep sight Accessory Mounting: Picatinny rail and M-LOK slots Barrel: Threaded Finish Options: Black,