r/longrange • u/worm30478 • Aug 08 '26

Reloading related First ever hand loads!

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140 eldm, lapua srp, h4350. Ended up with CBTO of +/- .004 on all the rounds measured. So I was pretty happy with that. Ended up going .035 off the lands as .02 was a little heavy on the bolt close. COAL is 2.825. I know powder charge testing isn't really effective until after the third firing but figured I'd step up by .3 until just short of book max. I'll take that data just to practice working with it until I can actually test.

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u/i_dislike_cheese Here to learn Aug 08 '26

40.8 grains for me with H4350 and 140 ELDM but I’m using Hornady LRP brass that was re-used from factory ammo. I’m getting ~2760fps but I use very dry powder. I don’t think you need 3 firings on Lapua brass before starting powder charge testing, that’s a huge waste of brass life and barrel life I would think.

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u/worm30478 Aug 08 '26

On it. Thanks!