Specifications include, but are not limited to: 2.2.1. have the capacity to safely secure a variety of weapons, including hand guns and long guns 2.2.8.1 Weapon holding and firing capacity shall range from North American Arms mini-derringers in .22 caliber to .50 caliber Browning Machine Guns (BMG) 2.2.2. maximize safety of personnel. Self-contained design shall incorporate all necessary components on a single, transportable structure 2.2.3. have two (2) independent grippers, an air cylinder and a rear buttstock jaw set 2.2.4. include a front barrel rest operated by the barrel grip air valve to hold the gun barrel down when test firing 2.2.5. have an approximately 3-meter length control cable with connector attached. The electrical control system should be equipped with a safety feature comprised of independent ‘ARMED’ and ‘SAFE’ switches mounted locally on the cart, and a ‘FIRE’ switch mounted on the remote pendant.