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230 Gr Berger Load Data For 300RUM wanted.

 
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  #1  
Old 10-06-2011, 08:07 PM
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Join Date: Sep 2010
Location: Brisbane
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230 Gr Berger Load Data For 300RUM wanted.

Does anyone have any load data for the new Berger 230 Gr 308 Cal Hybrid bullet for use with a Remington 300 Ultra Mag. I have Remington cases and would prefer to use Hodgden Retumbo, H1000 I live in Australia and that powder is readily available here. The rifle has a 26" barrel with a 1 in 10 twist. Can anyone also tell me the BC etc for that bullet.
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  #2  
Old 10-07-2011, 10:25 AM
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Location: AZ
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Re: 230 Gr Berger Load Data For 300RUM wanted.

Quote:
Originally Posted by Footsore View Post
Does anyone have any load data for the new Berger 230 Gr 308 Cal Hybrid bullet for use with a Remington 300 Ultra Mag. I have Remington cases and would prefer to use Hodgden Retumbo, H1000 I live in Australia and that powder is readily available here. The rifle has a 26" barrel with a 1 in 10 twist. Can anyone also tell me the BC etc for that bullet.
Here is some info.
230 gr berger 300 ultra

I just loaded some up last night to test this weekend. I loaded them 20 thou off the lands and progressively heavy charges to check for pressure signs. You can e-mail Berger for load data as well.
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Old 10-07-2011, 02:50 PM
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Re: 230 Gr Berger Load Data For 300RUM wanted.

Thanks for that. Let us know how your testing goes. I would also be very interested to hear how these bullets have performed on game at long range.
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Old 10-08-2011, 11:58 PM
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Re: 230 Gr Berger Load Data For 300RUM wanted.

I am also interested in a load I just ordered 50 and I am shooting a sendero 26" barrel I would like to use ratumbo also any info would be appreciated
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  #5  
Old 10-11-2011, 09:19 PM
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Re: 230 Gr Berger Load Data For 300RUM wanted.

I recieved this load data from Walt Berger.

BulletPowderStart LoadApproximate Start VelocityMax Load Approximate Max Velocity Fill Ratio230 GrainRETUMBO79.5254388.2279098.0%230 GrainRE-2573.5251981.8274992.0%230 GrainNORMA MRP 275.5252184.0277594.0%230 GrainRamshot Magnum77.0251385.5277489.0%230 GrainVIHT N17078.5245587.4272699.0%230 GrainH100076.5251584.8276696.0%230 GrainAA MAG PRO74.5251983.1278593.0%230 GrainIMR 7828 SSC70.0248979.2277391.0%230 GrainRE-2271.0251679.0275187.0%230 GrainNORMA MRP71.5252779.5276085.0%230 Grain50BMG84.5246894.02786104.0%230 GrainH483170.5247978.4271690.0%

Very quick response and very helpful company.
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  #6  
Old 10-12-2011, 12:06 PM
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Join Date: Mar 2006
Location: polson MT.
Posts: 675
Re: 230 Gr Berger Load Data For 300RUM wanted.

I have just started load development this is how it went. Alt 3291 ft temp 40 Retumbo 87gr-2875; 88gr-2872; 89gr 2958; 90gr 2951; 91gr 3028; 92gr 3078; 93gr 3094 - 94gr 3111 - 95gr bolt felt tight. When i reloaded i could see the primmer's pockets were to lose at 93gr and 94gr so i went back to 90 1/2 gr to 91gr and 91 1/2 and I shot three shot groups to see which got the best ES. Got a ES of 12 with 90 1/2 gr at a vel 2982 ft. Got a ES of 16 with 91 1/2. I have a short throat in my rifle so i can reach the lands at 3.714. I am going to back off the lands to 3.658 and see if it gets better ES.


H-1000

87gr 2882
88gr 2886
89gr 2853
90gr 2942
91gr 2990
92gr 3020
93gr 3062
94gr 3094
95gr 3169
96gr 3107
97gr 3193
I stoped there the bolt never got tite. The primmer pockets where to lose from 95gr on so i whent back to 91 1/2 gr. three shot group vel were 3000 3023 3023. Whent up to 93gr but the ES did not get any better. I will back off the lands to 3.658 and see if it gets any better ES. I am not a exbert so start low with your loads and go one gr at a time your rifle will tall when to stop. I hope this help. I can not spell very good so i have to ask the wife to spell when she is hear.
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  #7  
Old 10-12-2011, 12:41 PM
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Join Date: Jan 2010
Location: AZ
Posts: 231
Re: 230 Gr Berger Load Data For 300RUM wanted.

New Shooter, are you sure that's what your loading for 230gr? sounds like data for a lot lighter bullet.

I loaded some up from 83-85gr H-1000 around 20 thou off the lands. I just shot a few 83 & 83.5 gr charges. Primers were flat, but I still have room to go I think. I was shooting 12x12 steel @ 400yds with POI and drop from my 208 A-max load. Every hit was on steel. I had a new shooter shoot a couple so I have no data on how accurate the load was. I'm not in a big hurry with these OTMs, as there are 230 gr hybrids (non OTM) listed on the Berger site with a slightly higher BC. I read somewhere they will be released in a couple weeks. I was also focusing more on my 338LM, getting it dead nuts. I've got a few Coues hunts coming up at the end of October and early November I'm helping out on. If we take one with my RUM and the 230 Bergers I'll definitely fill you guys in. With my small amount of testing there is definitely some potential there. I think Broz had some loads ready to test out on some critters, atleast I read that on a Weatherby forum. Hopefully he will post on the terminal ballistics. here is the link
http://www.weatherby.dk/showthread.p...M-Hybrid/page2

Last edited by youngbuck; 10-12-2011 at 12:54 PM.
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