This fixed stock is 10.25" long and attaches easily to the MPA Mini 930 9mm Semi auto guns that have a threaded hole on the underside rear of the gun. It offers a sturdy stock and helps with shooting accuracy while giving it a tactical look. Works great for competition as it offers the shooter a perfectly placed cheek well to use iron sights or a red dot scope mounted to one of our side cocker uppers. Please call if any questions. (gun & other components sold separately) Addition of this item may require additional paperwork to be filed with the ATF, check with your local dealers. This part number only fits MPA Mini 930 9mm that have a threaded hole on the underside rear of the gun.