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Reloading Berger Bullets


New .223 & Flattened primers

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Unread 06-14-2009, 11:28 AM
Platinum Member
Join Date: Dec 2001
Location: Long Island, New York
Posts: 2,312
New .223 & Flattened primers

Recently had my custom .221 FB rebarreled with a 23.5" Broughton 5c in 223 Rem w/12" twist.

Started working up loads with Hodgdon Benchmark. I tried using a moderate load of 25.5gr under 52gr Bergers & 52gr A-Max bullets with a Federal 205M primer in Lapua cases.

Extraction was normal but primers were flat. Loads were used from .006" - .030" off the rifling with the same results. Velocity was around 3,215 ft/sec according to my Oehler 35P. Accuracy hovered around 2" @ 200yds; pretty disappointing.

I'm wondering if I actually have high pressure or are the primers just soft. Seems like the charge weight and velocity would not indicate high pressure but I'd rather not have flat primers.

What do you think?
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Unread 06-20-2009, 11:42 PM
Silver Member
Join Date: Jul 2006
Location: Nebraska
Posts: 488
Re: New .223 & Flattened primers

What is the internal case capacity of your Lapua brass? ...have another brand you can compare to?

Your load looks fine, in terms of amount of powder.

Did you work up to this load? If not, run a ladder test and check accordingly.
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Unread 06-21-2009, 05:42 AM
Gold Member
Join Date: Nov 2005
Location: Maryland
Posts: 959
Re: New .223 & Flattened primers

Have you measured a fired case (from the case head to the datum line) and compared it to an unfired case?
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Unread 06-21-2009, 08:10 AM
Bronze Member
Join Date: Nov 2008
Location: east texas
Posts: 43
Re: New .223 & Flattened primers

I am using almost the same load in my savage. Its 25.5g varget , 52g SMK, lapua match brass and cci 400 primers. No signs of pressure and very accurate. 1/2" average with .204" was the best so far. Very happy with this load I spent about a year off and on developing this load. Tried many different things and this is the best I came up with.
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