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Bertram brass sticking in shell holder?

 
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  #15  
Old 10-07-2013, 11:25 PM
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Join Date: Apr 2007
Posts: 144
Re: Bertram brass sticking in shell holder?

Thanks for the info RHB, looks like I just need a new shell holder. I just shot some of the brass with 300 grain bergers and got 1" groups at 300 yards with some mirage so definitely can't complain about accuracy!
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  #16  
Old 10-08-2013, 10:51 PM
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Join Date: Sep 2011
Location: West Wendover, NV
Posts: 196
Re: Bertram brass sticking in shell holder?

I've been using an RCBS #38 shellholder, and it's working fine for me for both the bertram brass, and the norma RUM brass. Just for fun I tried my brass in a #4 shellholder, and it worked just fine. Sounds to me like maybe yours has a burr, or some other issue.
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  #17  
Old 10-09-2013, 05:08 AM
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Join Date: Nov 2008
Posts: 1,047
Re: Bertram brass sticking in shell holder?

I have tested Bertram .338 Edge, .338 Lapua, .375 Cheytac and .408 Cheytac brass. All had slightly thicker rims than other makers of brass.

I don't think this is an accident.

When making super strong brass, extra thickness in the base and rims helps support the primer pockets and web.

Just pick a shell holder with greater tolerance and you will be ok.
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  #18  
Old 10-09-2013, 11:16 PM
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Join Date: Dec 2008
Location: New Zealand
Posts: 5
Re: Bertram brass sticking in shell holder?

I had this problem, necking some RP 300 um to 338. It would not fit my redding shell holder so I tried a lee. Fit no problem, so I sized away and discovered the heads would not fit my bolt face. Measuring showed they were quite a few thou bigger than most. Have had a few tight Bertram's in the shell holder, but no problems in boldface.
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