I took my pictures to our local blackpowder shop here in town. He didn't look at it very long before asking about my chamber length, saying it looks like the hulls didn't have room to open. I believe a 1898 Parker GH should measure 2-5/8" chambers with Parker recommendations to use 2-3/4" shells so that does seem a plausible explanation. I'll get the chambers measured to know their length for sure. Please comment if anyone sees anything amiss with the way those remaining shells look to you, or if my local guy's theory holds water.
