450 and 350gr question

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Re: 450 and 350gr question

Postby Bmt85 » Sat Feb 24, 2018 8:56 am

Yeah, I have no idea on cast, and your right, they act different than cup and core or solid copper.
As to the IMR vs H, they are very close, if not the same. From what data I've seen, H usually gets a touch more speed. I think it depends on application and powder lots really.

Good luck with the work up.
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Re: 450 and 350gr question

Postby Odfairfaxsub » Sat Feb 24, 2018 12:00 pm

I’ll be responding first on the scene lol
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Re: 450 and 350gr question

Postby Odfairfaxsub » Sat Feb 24, 2018 12:05 pm

It’s a touch but funny I can use about 4 gr more h110 when using a cast bullet
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