@homebrew.357 are you using the LEE 312 mold meant for the 7.62x39 ? .312/13 seems on the generious side for a .308 barrel, folklore has it that sizing down can only have negative effercts on accuracy.
if it was me i would buy a 309 170grn LEE mold just to try . . . theyre a good hunting style bullet and ya can never have enough molds.
its been my experience that powder selection can make or break cast bullet shooting, jacketed are a lot more tolerant . . . as an example my Marlin .30/30 is a 1.5MOA shooter at 1600fps with SR4759.
but thats discontinued, any other powder i have tried its a 3.0MOA shooter . . not that important because i only really wanted more smack as an option over the subs out to 100ish yards, still a good example that you only need to get one thing slightly wrong with cast and accuracy goes south.
look forward to seeing the results of the new .45 mold.
an old mate of mine for years refused to use dies, mind you it would have cost him a fortune to buy them for the weird n wonderful old military rifles he had all over his house, under beds, in every cupboard, behind every door.
a day off coming up on this Saturday, forecast is rubbish but i will try to get out for a shot n try the jacketed 350s on paper . . . definitely go varminting in the morning and try for a Goat in the afternoon if everything lines up.
R.
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