It's funny how over the years loading countless different cartridges in many different rifles that I have never gained acceptable end results with H-4831 or the short-cut version. This is supposed to be the "go to" powder-or darn close to it- for just about any bottle-necked cartridge one could...
Why is there such a huge difference between #5 and #6?
with 160grn Partition, #5 shows:
54.5 as a start charge for 2752fps
56.5 intermediate for 2847fps
58.5 as a max charge for 2942fps
#6 shows:
50.5 as a start charge for 2571fps
52.5 intermediate for 2659fps
54.5 as a max charge for 2752fps...