The Intratec AB-10 is a blowback-operated, semi-automatic 9x19mm pistol that was introduced as a post-ban variant of the infamous TEC-9 series. Key Features and Specifications Caliber: 9mm Luger (9x19mm) Action: Straight blowback, firing from a closed bolt Barrel Length: Approximately 3 inches (non-threaded to comply with the 1994 Federal Assault Weapons Ban) Construction: Tubular steel upper receiver with a polymer lower frame/grip Capacity: Originally shipped with a smaller 10-round magazine due to the 1994 ban, but it remains fully compatible with pre-ban, high-capacity 20-, 32-, or 72-round TEC-9 magazines Sights: Top-mounted fixed iron sights