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Alternative for 300 win to Retumbo

 
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  #8  
Old 02-09-2013, 07:33 AM
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Re: Alternative for 300 win to Retumbo

Quote:
Originally Posted by Marble View Post
I have the same gun as you. I found 71grains of 4350 pushing a nosler accubond 180 at 3240 was many most accurate load. I tried rl22, 19, and one other I can't recall. I get 2/3inch groups and it kills elk well.

I also had the stock trigger worked on and pillar bedded the stock myself.
I don't know about anyone else, but I wouldn't push a 180 out of any 300 win over 3000-3150 fps. I'm at max. pressure with a lot slower powders with 180's at at least 100 fps down from the 3240 fps quoted. I'm not saying you aren't getting it, but you've got to be rather warm as far as pressure.

Perhaps someone could quickload a 180 with the about charge of 4350 out of a 300win; extra velocity isn't free pressure wise.
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  #9  
Old 02-09-2013, 07:50 AM
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Re: Alternative for 300 win to Retumbo

Lefty, Speer #14 list 72grns Imr4350 and 71grns H4350 under a 180 in 300wm, but I have yet to see charges even higher than that hit 3240 in 24-26" barrels. 7828 will do it with ease in a 28" pipe.
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  #10  
Old 02-09-2013, 01:48 PM
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Re: Alternative for 300 win to Retumbo

I recently tried some H4831sc in my 300 WM 215 grain berger load. I switched to a CCI 250 because I've seen it work well with 4831 in the past. I worked the load up to 73.0 grains and started shooting bugholes at 2840 fps.

I was previously using Retumbo for the 215 and the 230, but I noticed strange pressure spikes with the 215. The Retumbo / 230 load still works great.
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  #11  
Old 02-09-2013, 06:30 PM
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Re: Alternative for 300 win to Retumbo

I am shooting below the max, maybe my chronograph is off.

If it is too much pressure, then I guess I can get a better barrel when I ruin this one.

I know it's no an absolute standard, but my brass is showing no signs of pressure and my bolt opens fine. Idk.....
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  #12  
Old 02-09-2013, 06:32 PM
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Re: Alternative for 300 win to Retumbo

Quote:
Originally Posted by Lefty7mmstw View Post
I don't know about anyone else, but I wouldn't push a 180 out of any 300 win over 3000-3150 fps. I'm at max. pressure with a lot slower powders with 180's at at least 100 fps down from the 3240 fps quoted. I'm not saying you aren't getting it, but you've got to be rather warm as far as pressure.

Perhaps someone could quickload a 180 with the about charge of 4350 out of a 300win; extra velocity isn't free pressure wise.
What is quickload?
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  #13  
Old 02-09-2013, 06:51 PM
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Join Date: Mar 2010
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Re: Alternative for 300 win to Retumbo

The Hodgdon website lists 66.8gr as MAX with a Nosler E-tip. The IMR site lists 68.1 as MAX with the same bullet.

You should not use speer bullet data to make loads for nosler bullets.

Your loads are pretty warm.
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  #14  
Old 02-09-2013, 07:03 PM
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Re: Alternative for 300 win to Retumbo

Just bought RL 22. RL 25 and h4830( might be wrong on last. They are down
On the table. The non SC one)

Gonna try 25 first since it is a mag load and see how it does
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