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300 Mag and 210 bergers

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Old 02-07-2010, 11:57 AM
Silver Member
Join Date: Sep 2008
Location: Fort McMurray , Alberta , Canada
Posts: 274
Re: 300 Mag and 210 bergers

I'm also interested in a load using RL 22
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Old 02-07-2010, 05:51 PM
Silver Member
Join Date: Apr 2008
Posts: 164
Re: 300 Mag and 210 bergers

Thanks for those loads guys. I've loaded 30 rounds, 6 round with 5 different charges, 70.7 to 71.5 in .2 increments. I dont know when Ill get to go shoot them, but soon hopefully. Oh and I seated them just touching the lands.
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Old 06-08-2010, 04:44 AM
Junior Member
Join Date: Feb 2009
Posts: 9
Re: 300 Mag and 210 bergers

ive been using 91.5 gr of reloader 25 with either the 208gr Amax or the 210 vld bergers in my m700 in 300 ultra mag and im getting .5 moa and approx 3020 fps mv, E @ 1000yds = 1400lbs, drift=54",drop=235"@1000yds vel @1000yds=1750fps used handloads.com for data

ive also used 98gr of RL25 with 168gr horn match bullets in the RUM and have gotten some awesome groups (for me anyway)@ 100yds had one .183" center to center and another at .254" c t c. they flew @ approx 3400 fps
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Old 06-08-2010, 10:14 PM
Bronze Member
Join Date: Jul 2009
Location: Houston, TX
Posts: 76
Re: 300 Mag and 210 bergers

I tried .008" off the lands and was not happy with the grouping with the 210 Bergers, ~1.2" @ 100 yards. I was getting 5 shot groups .38" at 100 yards with the Sierra 200 GR. Game Kings. 78.5 gr. H1000 .010" off the lands.

I did some digging in the Berger sight and they recommend .030-.040" off the lands. I have three sets of three to verify but no reason to not believe them. Loading with 78.5 gr. H1000 for my testing. Lots of people shoot at the lands or into them, so use what your rifle likes.
Michael M. Moore
NRA # 166336949
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