Loading for the 243 is the same as other rifles as you start off at minimum and work your way up.
Lyman reload had good starting points way back when.
Take into account barrel twist and length as it changes things between rifles,,, no 2 of them are the same.
Faster burn powders in short barrels, slower in long.
I'd load 9 rounds for 3 vollys of 3 in 0.5 grain differences from minimum too max watching primer too view how flat it become on the higher up max loads.
The best group of 3 with 3 shoots would be my middle ground to start.
I'd pick lower middle ground since it allows for elivaton changes, temp, and dirty barrel over the coyote season.
Fall too spring with no cleanings over the 200 too 400 shots.
Pal Don, this works for me, so why change what works
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