My father's load using 40 gr of IMR 4198 shot at 1702 fps The best range load for this powder, bullet and rifle seems to be around the 45 gr of IMR 3031 mark Even though I now had loads for 4570 using these 405 gr cast bullets, I wondered what Hornady 325 gr Leverevolution ammunition would chronograph It was travelling at 15 fps For lower powered loads with 4570 Unique is the way to go 1014 grs behind gr lead bullet is a great shooter that wont kill your shoulder TWell me being me @ 75kg thought I
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