A cut down parallel tube case; plastic or paper, down to 2" CCI 109 or Win 209 primer and 19.5 grains of Red Dot with card and felt wads 7/8th.ounce of shot and topped with a roll crimp is a tried and tested load that is within the proof limits of the 2" chamber gun. It is a load I sometimes use but prefer 21.5 grains of Vectan AS powder if you can get that over your side. Both loads have been submitted and tested at the Proof House. Lagopus.....