I cant figure out where my pressure is coming from.
i know i started a thread similar to this but i would like to add some more info to see if someone cant figure this out. Our savage 110 fcp hs 338 Lapua is shooting the 280 grain LRX with 82.4 grain of retumbo at 2635 fps with our newest lot. My first lot of retumbo i found that 84.4 grains of retumbo gave me same accuracy as the above load, but that laod was running 2730 fps. With my new lot (the 82.4 grain load) i obviously had to the drop the charge by 2 grains to get my accuracy back and get to where i wasnt getting ejector marks and heavy bolt lift. But my velocity dropped 100 fps?? Is this normal?
I am also concerned that i am getting ejector marks with only 84 grains of retumbo where most people are topping off at about 89 gr in the same rifle. I have no idea what could be causing the high pressure signs. I am perfectly fine with the accuracy but the high pressure from low charge weights are worrying me.
Thanks for any help on what the problem could be and how to correct it.
"Firearms are second only to the Constitution in importance; they are the peoples' liberty's teeth."
"The only advantage a light rifle has is weight, all other advantages go to the heavy rifle."
~ JE Custom
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My guess on W3P .308 230 Grain Bullet: G1 .740-.755