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Here's some charges that I've found with different bullets and powders since having and loading for three 300 NMI's. All with CCI 250's. These are shootable charge weights. Not max charge weights.

215 Berger
92-94gr. N570
88-89gr. H1000
90-92gr. Retumbo

208 ELDM. Exactly the same as 215 Berger

230 Berger.
90-92gr. N570
85-86gr. H1000
86-88gr. Retumbo

225 ELDM is basically the same at 230 Berger. Maybe .5gr. less on everything.
 
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Here's some charges that I've found with different bullets and powders since having and load inch for 3 300 NMI's. All with CCI 250's. These are shootable charge weights. Not max charge weights.

215 Berger
92-94gr. N570
88-89gr. H1000
90-92gr. Retumbo

208 ELDM. Exactly the same as 215 Berger

230 Berger.
90-92gr. N570
85-86gr. H1000
86-88gr. Retumbo

225 ELDM is basically the same at 230 Berger. Maybe .5gr. less on everything.
Awesome info, basically I'm 3-4 grains behind in my non improved norma.
Thanks
 
Here's some charges that I've found with different bullets and powders since having and loading for three 300 NMI's. All with CCI 250's. These are shootable charge weights. Not max charge weights.

215 Berger
92-94gr. N570
88-89gr. H1000
90-92gr. Retumbo

208 ELDM. Exactly the same as 215 Berger

230 Berger.
90-92gr. N570
85-86gr. H1000
86-88gr. Retumbo

225 ELDM is basically the same at 230 Berger. Maybe .5gr. less on everything.
Good info. Alex spun mine up so 35* and freebore is a compromise for the 230-245 bergers. Should be crush fit with my adg brass I think. I know it is with lapua. Could switch I guess. I've just switched everything to adg. I like the idea of fire forming with the 225's and h50. Gonna have to look into that. Is that what you've been doing for the last couple?
 
Good info. Alex spun mine up so 35* and freebore is a compromise for the 230-245 bergers. Should be crush fit with my adg brass I think. I know it is with lapua. Could switch I guess. I've just switched everything to adg. I like the idea of fire forming with the 225's and h50. Gonna have to look into that. Is that what you've been doing for the last couple?
@Barehandlineman11 did all his with H50 and then I did the same. Better than using up the harder to get stuff. I'd plan on 92gr. H50 for a nice first forming charge.

I switched over to all Lapua. ADG is good stuff though. Didn't have the best of luck with Peterson.
 

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