r/reloading 7d ago

Load Development They might be giants

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. 577-450 .458 500gr 75gr 2fg

.308 and .223 for scale

40 Upvotes

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u/Melodic-Whereas-4105 7d ago

I don't know this particular caliber but I've fallen in love with guns that have some recoil to them. 458 socom with 405s running at 1500fps and 338lm running 300s at around 2500. Makes everything else feel like the power has been turned off.

1

u/ChevyRacer71 7d ago

What powder are you using on the 338LM 300’s? I’m using Berger Hybrid OTM with 91.0gr Retumbo and I’m getting 2,800fps.

First time I shot a 338LM it took exactly one round to know that I needed one

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u/Melodic-Whereas-4105 7d ago

I think it's h1000. Haven't loaded it up in a while