not on this one plus its not my design as far as the gun it self is concern.I,m modfing an ecard model the 1942 M1A1 Thompson smg. the 50 mag drum is being built off of blue prints i found off of the unofficial tommy gun page.It,s a great resorce for blue prints.I,m thinking of making an other drum mag with a the inners that one I,ll make plans for.