Not wishing to hijack the thread on 243 load data and dippers, Muir how do you find IMR 4831 compares with IMR 4350. I am using the 4831 in my 7x65R and getting good results, and now staring to work up a 100gn bullet load for the 243 - needed cardiac treatment when was asked to pay over £30 for a box of 20 Norma cartridges.
Haven't tried the IMR 4350, but seems to be a good powder for the likes of the 7x65R, 30-06 but also seen plenty of load data for the 243 as well, ditto for the IMR 4831. Given the cost of powder, am a bit reluctant to just buy a tub of powder on spec only to find its not so good. The IMR 4350 seems to a bit faster burning, but not a lot to choose between them.
Does any body know which powder Norma uses in their 243 100gn load, as it seems to work well in my rifle and would like to duplicate.