Mr Grumpyone, did you happen to have any chrono data for this load? I just recently picked up Vv N320 and wanted a load for 147s polycoated… my current load for them has been 3.5 grains of Sport pistol with 1.130 coal, it’s a great load… light and accurate, but like anything else I’m always looking for something better… I understand that Vv N320 and Alliant Sport pistol are very similar powders….