This MP5 Sport Pistol is a German Sports Gun Imported by American Tactical Imports and has been approved by the ATF. It is similar to the GSG 5 rifle but with a shorter 9 22 LR pistol barrel and grip. The basic function of the gun is the same. Features include a 10 round clip, synthetic grip & forearm, an overall weight of 7 pounds and 28.25 overall length.