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230 Bergers and 300 RUM

 
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  #71  
Old 04-21-2012, 07:10 AM
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Join Date: Dec 2005
Location: Tucson Az
Posts: 1,201
Re: 230 Bergers and 300 RUM

Great thread! Thanks for all the input gentlemen.

I couldn't take it anymore, yanked my 1 in 12 twist 300 RUM barrel and rechambered a rem takeoff 24" 300 Win mag barrel (which is a 1 in 10) to 300 RUM so I could try the 230 gr hybrids. I bought a Pacific tool and gauge reamer and did the job myself. Can't express how great it feels to do it yourself saving time and money.

Tried 230 gr hybrid target bullets. OAL 3.775" in Wyatt's mag box, push feed model 70. Accuracy load is 88.5 grs of H1000 vel 2860 fps.

I'll use it on my fall cow elk hunt. This rifle is fairly compact with this shorter barrel, weighs 8.5 lbs. It doesn't have a brake, recoil is stout but managable.

Thanks again for all the ideas.
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  #72  
Old 05-06-2012, 06:55 PM
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Join Date: Oct 2011
Location: Tucson AZ
Posts: 54
Re: 230 Bergers and 300 RUM

Finally had an opportunity to shoot some 215 hyb.
factory 700 Sendero SF1 300 RUM, Nosler cases, Retumbo and Fed 215 mag primers. OAL 3.885 .005 off the lands
Started with 88 gr and ended with 92.5 in .5 gr increments. Three shot groups until I narrow down a load. best group so far was 89 measuring .310. From there the groups opened slowly to 1.22 (only two groups) and then at 91 to 92.5 started back down. 92.5 was .72. this group had two rounds in the same hole and one flier. I figured I would start to see pressure signs at this point however everything looks good. 10 groups with only two over 1" seems like a good start. Next weekend I will continue 92.5 to 95 gr unless I see the pressure signs. Then tweak the load and OAL to "hopefully" .5 or better. I do not have a crony so I don't have a clue as to the velocities.
Anyone shoot a factory 26" and know the ball park velocities I may be getting? I was shooting at 3000 feet ele and 80* temp
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  #73  
Old 05-13-2012, 09:02 AM
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Join Date: Jun 2011
Posts: 116
Re: 230 Bergers and 300 RUM

great thread with alot of good info for us 300rum guys.
keep it up
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  #74  
Old 05-13-2012, 05:39 PM
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Join Date: Oct 2007
Location: Tillamook, Oregon
Posts: 381
Re: 230 Bergers and 300 RUM

Quote:
Originally Posted by Southwest Hunter View Post
Finally had an opportunity to shoot some 215 hyb.
factory 700 Sendero SF1 300 RUM, Nosler cases, Retumbo and Fed 215 mag primers. OAL 3.885 .005 off the lands
Started with 88 gr and ended with 92.5 in .5 gr increments. Three shot groups until I narrow down a load. best group so far was 89 measuring .310. From there the groups opened slowly to 1.22 (only two groups) and then at 91 to 92.5 started back down. 92.5 was .72. this group had two rounds in the same hole and one flier. I figured I would start to see pressure signs at this point however everything looks good. 10 groups with only two over 1" seems like a good start. Next weekend I will continue 92.5 to 95 gr unless I see the pressure signs. Then tweak the load and OAL to "hopefully" .5 or better. I do not have a crony so I don't have a clue as to the velocities.
Anyone shoot a factory 26" and know the ball park velocities I may be getting? I was shooting at 3000 feet ele and 80* temp
My Rum is a Lilja 27" but shouldn't be too far off from your velocities. At 90.0 grains of Retumbo I was running the 215's at 3,048fps average. At 94.0 had a 3,189fps average (this is about where that infamous Retumbo pressure spike starts). I ended up going back to my good old H1000 because it was more consistent and can get about the same velocity with it. I settled on a 92.0 grains of H1000 which produces 3,140fps with an ES inside 10fps. Hope this helps
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  #75  
Old 05-14-2012, 01:46 AM
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Join Date: Jan 2007
Location: MS
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Re: 230 Bergers and 300 RUM

I allowed a buddy of mine to take my 30/338 lapua improved shooting 97grs of vv570 with 230 OTMs in fire forming loads on an axis deer hunt. They killed three axis deer from 100-450 yards with the bullets. No autopsies, no pics, but he said they were magic bullets. Velocities are at 3140 from a 28 inch kreiger. I kind of doubt it, but that load might be a little hot in some rifles even with that chambering because mine is throated very long as it is a single shot action.
Thus far I think the 230 OTM is an awesome bullet as far as accuracy is concerned.

I sold one of the rifles I chambered in that round to a buddy who smushed a couple does with it at short range using that bullet. He said it was impressive, but once again no pictures or autopsy. RBeloat owns that rifle, pretty sure he used to post here, maybe he will post some wound pics he showed me on his phone.
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  #76  
Old 05-14-2012, 09:05 AM
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Join Date: Feb 2007
Location: Townsend, Montana.
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Re: 230 Bergers and 300 RUM

Eddybo, Good to hear from ya. I have missed your posts lately. I always enjoy them so keep em coming.

Your report on the 230's mirror ours. We have only used them so far in 300 wins at 2775 but they put down antelope , mule deer and about 4 elk so far on the spot. Recent work up in a 30-378 shows them to be very accurate in the Wby too and seem to fit the large case volume of it very well. I am getting the mind set this is an awesome bullet for long range hunting with a 30 cal.

Jeff
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  #77  
Old 05-14-2012, 10:20 AM
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Join Date: Jan 2007
Location: MS
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Re: 230 Bergers and 300 RUM

Broz I do not know whether it is the 230s or the 30-338 lapua improved, but I have been very impressed. I shot a 10 shot sub inch group while working up to my max powder charge. I do not think I have ever seen a group with a .5gr powder differential between shots print like that. I was so impressed with the performance of this round/bullet combo I left my 338AM at home last year when I went to NM for cow elk. Unfortunately a winter storm greeted us and all of the elk had moved off the ranch we hunt for lower/greener pastures.
Both of the rifles I have used this bullet in shot well with the 210s, but they downright impressive with the 230s.
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