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300 RUM Berger 210 Load Data

 
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  #1  
Old 06-01-2011, 12:21 PM
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300 RUM Berger 210 Load Data

I am putting together a load for my new .300 RUM. I have load data for the 190 bullet weight, but I am wondering what your pet loads are for the .300 RUM using the Berger 210 VLDs? I have RL-22, Retumbo, H-1000, and US-869 on hand that I can use to work up a load. Thanks!

Bryan
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Old 06-01-2011, 02:14 PM
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Re: 300 RUM Berger 210 Load Data

Hi Bryan,

My pet load for my 300 RUM with 210s:

91.5 Grains Retumbo
Federal 215M
Nosler Brass
and 210's loaded into the lands .005 then use the bullet concentricity gauge.
Velocity from my 30 inch barrel with my new lot of powder was right at 3200 fps this past weekend and shoots less than half an inch at 100 yards...Pretty hot load in my rifle so be careful!

Alan
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Old 06-01-2011, 02:23 PM
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Location: Great Falls, MT
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Re: 300 RUM Berger 210 Load Data

My load is 93.5 grains of Retumbo under a 210 seated .015 off the lands. My velocity is 3180 out of a 28" barrel and has proven to shoot sub MOA out to 1,000 yards.
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Old 06-01-2011, 02:36 PM
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Re: 300 RUM Berger 210 Load Data

Your go-to powder is Retumbo lit by Fed215M primers in Nosler brass. Start out with a seating depth of .010 off the lands and start your loads around 88 grains and go up in .5grain increments. Once you find a powder charge that shoots well and has an decent ES and SD, then fine tune seating depth.

You can find some of my load data here: My 300RUM by MCR
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Old 06-01-2011, 03:29 PM
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Re: 300 RUM Berger 210 Load Data

It looks like it is unanimous that Retumbo is the go to powder. It shot pretty good in my rifle, just figured since I was starting from scratch that I would give all of them a fair chance. I shot some 190 SMKs with 92 grains of Retumbo last Sunday and it was ok. Nasty crosswind made me not really consider the results good or bad. I had about a 1.5" group at 200 yards and dialed in elk kill zone sized rocks at 500 yards. I grabbed a box of Berger 210 VLDs last night and am going to try and stuff 5 rounds each with the different powders I listed above and see how it groups. Right now I am 0.015 off the lands. I haven't messed with the seating depth much yet to see how it affects accuracy.

Thanks for the loads so far!

Bryan-
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Old 06-01-2011, 03:33 PM
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Re: 300 RUM Berger 210 Load Data

Quote:
Originally Posted by trebark View Post
Your go-to powder is Retumbo lit by Fed215M primers in Nosler brass. Start out with a seating depth of .010 off the lands and start your loads around 88 grains and go up in .5grain increments. Once you find a powder charge that shoots well and has an decent ES and SD, then fine tune seating depth.

You can find some of my load data here: My 300RUM by MCR

Good looking gun trebark. My setup is faily similar to yours. I have a Bat action, 30" Bartlein barrel, Leopold Mark 4 8.5-25, Jewell trigger breaks at 1.5 OZ, A-5 black and gray stock.
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Old 06-01-2011, 10:15 PM
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Re: 300 RUM Berger 210 Load Data

Quote:
Originally Posted by bh5k View Post
Good looking gun trebark. My setup is faily similar to yours. I have a Bat action, 30" Bartlein barrel, Leopold Mark 4 8.5-25, Jewell trigger breaks at 1.5 OZ, A-5 black and gray stock.
Sounds like a badass shootin' stick. Post some pictures of it.

Although it wouldn't be bad to try all the powders you have in stock, I would lean more towards the Retumbo and H1000 as they are much more temp stable than the other two.

Remember to run all your loads over a chrono so that you can add velocity/ES/SD into the equation along with accuracy. I would rather have a load that shoots .5moa (at 100 yards) with an ES of 10 than a load that shoots .25moa (at 100) and an ES of 30.
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