An ammunition carrier that is attached to a gun in apposition that does not interfere with the operation of the gun. The carrier is attached to the gun using a locking slider system. Once in place, it allows a shooter to carry up to 24 shells simply and easily. The carrier can be made in a straight-line design or a pistol grip type design. The carrier has Velcro patches that allow the shell holders to be attached. The shell holders have elastic bands that hold the shells. One or two shell holders can be attached to the carrier as desired. A user can keep several carriers available, each with a different type of shot or load so that the user simply has to select the desired ammunition for a particular purpose and attach it to the gun. It can also be used to carry ammo clips for rifles.