Post 1926 Foxes, Parker, Ithaca NIDs etc. Nothing magic about the date; just figure that by 1930, all the US makers had adapted their products to the Super-X type shells by then. As far as the damascus barreled guns go I guess I'm just careful...Geo

I expect that the RST nice-shot loads are ok, but I've not tried them; still saving up to invest in a box.