Note that "No" modern load data to my knowledge lists Unique loads for the .410. Also none to my knowledge lists loads for 3/8oz, but then I don't load for the .410. I have loaded shot loads using Unique with about 3/8oz of shot for a .45 colt using cut to cylinder length .444 Marlin brass.


Miller/TN
I Didn't Say Everything I Said, Yogi Berra