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230 Bergers and 300 RUM

 
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  #85  
Old 05-19-2013, 04:43 PM
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Join Date: Sep 2010
Location: Brisbane
Posts: 61
Re: 230 Bergers and 300 RUM

I have a load using the 230 gr Berger and Retumbo that gives me 2910 fps and good accuracy from my Remington SPS stainless with factory 26" barrel. Quite happy.
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  #86  
Old 05-20-2013, 09:12 AM
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Join Date: Oct 2012
Location: Colorado
Posts: 649
Re: 230 Bergers and 300 RUM

Quote:
Originally Posted by Footsore View Post
I have a load using the 230 gr Berger and Retumbo that gives me 2910 fps and good accuracy from my Remington SPS stainless with factory 26" barrel. Quite happy.
What is your overall length with that load? Do they fit in your magazine?
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  #87  
Old 05-20-2013, 12:23 PM
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Join Date: Jan 2011
Location: NORTH EASTERN NEVADA
Posts: 129
Re: 230 Bergers and 300 RUM

89 gr Retumbo Fed 215 match rem brass 230 hybrid at 2980 fps still room for velocity improvements .410 group at 100 yards factory sendero with DE BRAKE 3.9 length any longer and you have to pull the bolt to extract un fired round. 12 fps spread
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  #88  
Old 05-20-2013, 03:29 PM
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Join Date: Sep 2010
Location: Brisbane
Posts: 61
Re: 230 Bergers and 300 RUM

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Originally Posted by cohunter14 View Post
What is your overall length with that load? Do they fit in your magazine?
OAL is 13thou off lands and doesn't fit in mag. Very similar to Smoked's load. Same primer just I am running 90gr Retumbo. Quite mild in my rifle because of the bullet seated right out but with the factory barrel accuracy goes away if loaded any hotter.
As usual start lower and work up.
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  #89  
Old 05-20-2013, 08:57 PM
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Join Date: Dec 2010
Posts: 51
Re: 230 Bergers and 300 RUM

I noticed that no one uses the RL-25 powder is there a reason for that. William Roscoe built my 300 Rum with a Krieger barrel with 1-10 twist.He said the last three he built with 1-10 twist and i think he said two were Krieger barrels not sure on the last one.William said they loved the RL-25 at 91 Grs and that was with 210 burgers.Thats what I am going to try on my new 300 Rum as sone as I get my cheek peace back from William i can start load testing.MY coal is 3.80 I have my test loads 1000 off the lands.Should I back them off 5000 off the lands to safe or will I be ok were there at.
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  #90  
Old 05-21-2013, 04:06 AM
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Join Date: Oct 2011
Location: Western Pa.
Posts: 174
Re: 230 Bergers and 300 RUM

Just starting to follow along and will be working with the 230's right after memorial day. GREAT wealth of info here and much appreciated. I do have one go to load for my RUM that has surpassed any expectations. 215 match primer, 91.5 Retumbo, 208 A-Max just touchin going 3100 with a SD of 5fps. out of a 27" select match HV tube.
Looking forward to keeping up with this thread and posting how things go with the 230's.
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  #91  
Old 12-21-2013, 07:31 AM
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Join Date: Dec 2005
Location: Tucson Az
Posts: 1,391
Re: 230 Bergers and 300 RUM

Two of us used the 230 gr match target hybrid on Arizona cow elk last week.

My 85 yr old friend Don had a special permit called the Champs permit which allows him to shoot from the truck if necessary. We encountered five elk walking across a meadow at 300 yds while driving out of an area. Don was able to exit the truck, cross the road and shoot from a sitting position sending a 230 hybrid through both lungs. Sorry no pics of this one but entrance hole was caliber and exit was 1 1/4". Cow sort of stopped in her tracks then after a few seconds just teetered over. The rifle is a Browning A-bolt with a mag box of 2.8". The bullet velocity at muzzle is 2720 fps using RL-17. Impact velocity at 8000 ft was 2516 fps. Very impressive.

I finally connected several days later. A group of approx. 100 elk ran off an uphill slope that was comprised of nothing but burned trees. Upon seeing me they ran downhill through the trees with great haste. I couldn't shoot. Then I noticed some stragglers walked out. I figure they were so far up the hill they didn't see me and were simply following the others. One stopped between two trees at 247 yds offering a shot at the shoulders but little else. It was a high shoulder shot. The elk dropped like a stone to the shot.

Rifle is the previously mentioned 300 RUM with 24" barrel 230 hybrid velocity is 2975 fps at muzzle. At 8000 ft impact velocity was approximately 2800 fps.

There was considerable blood in the tissues around the shoulder meat. It is very difficult to see the exit hole. Exit on hide looked similar to Don's with a moderate hole. Once skinned the area was quite red with blood and the affected area was hard to see the damage. Once the shoulders were removed the damage to the ribs can easily be seen.

I won't know the extent of ruined meat till I clean the shoulders in a day or so. Just began cutting yesterday. I can take pics of shoulders in a day or so.

Here are the entrance and exit pics of ribs with shoulders removed.

entrance:

exit
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