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300 RUM pressure?

 
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  #1  
Old 03-29-2013, 02:45 PM
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Join Date: Feb 2012
Location: Afognak Island AK
Posts: 90
300 RUM pressure?

While getting ready to teach a friend to reload for his 300 RUM I noticed that about half of his once fired brass had very visible extractor marks (brass had flowed into the round extractor pocket in the bolt face). 47 out of 100 piecies of brass were like this. Is this normal for this round? What kind of brass life are you guys getting with this round?

When I asked him if he had ever expierenced a stiff bolt with his rifle he had no idea what I was talking about. Rifle is factory 700. All brass is from factory Remington premier ammo.

Thanks in advance Rob
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  #2  
Old 03-29-2013, 02:51 PM
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Join Date: Feb 2012
Location: spokane wa
Posts: 63
Re: 300 RUM pressure?

I bought and shot 1 box of factory loaded ammo in my rum. It was power level 3 180 grain sciroccos (sp?) And each and every piece of that brass shows extractor marks. I have since loaded that brass 4-5 times more at reasonable loads (90 grains retumbo and 210 or 215 Berger's) and it is still going well with good neck tension and primer pockets. I don't anneal either.
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  #3  
Old 03-29-2013, 03:03 PM
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Join Date: Feb 2012
Location: Afognak Island AK
Posts: 90
Re: 300 RUM pressure?

Mods please move to reloading section. I thought that is were I posted this.

Thanks Rob
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