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Surplus Powder

 
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  #1  
Old 04-14-2004, 05:43 PM
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Join Date: Apr 2004
Location: wv
Posts: 4
Surplus Powder

This is my first post, so be kind if it takes me a couple trys to get it right.

I did a little work with surplus powders lately in a 30-338 lapua and thought some of you would be interested in what I found.

My rifle has a 30" one in ten twist Lilja Barrel chambered in the standard 30-338 lapua, the case holds 116 gr. of water with the overflow method.

I have included H50BMG for comparison.I have shot this powder the most in this rifle. I used Sierra bullets for all load work listed here.

Powder H50BMG
Bullet Max load Vel
220 BTHP-M 100gr 3171
240 BTHP-M 95gr 2951

Powder IMR5010 LOT# LC 12699HP
Bullet Max Load Vel
220 HPBT-M 97gr 3154
240 HPBT-M 93gr 2962

Powder WC860 LOT# 48785
Bullet Max Load Vel
220 BTHP-M 102gr 3057
240 BTHP-M 95gr 2792

Powder WC872 LOT# LC140-513-84
Bullet Max Load Vel
220 BTHP-M 100gr 2900
240 BTHP-M 95gr 2777
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  #2  
Old 04-14-2004, 05:50 PM
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Join Date: Apr 2004
Location: wv
Posts: 4
Re: Surplus Powder

Hey I warned you all. It didn't look like that when I typed it in.... I swear!
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  #3  
Old 04-14-2004, 08:36 PM
 
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Re: Surplus Powder

stmag1,
Thanks for the info. I have a 30/338 Lapua Imp. of my own design that I call the 300 WAMBOMAG. I also have tried WC872 and with a 33.25" barrel and 105grs I've pushed the 240 SMK to 3100fps with pretty good accuracy. The best accuracy is around 2950-3000fps using 100grs.
Take care,
Wayne
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  #4  
Old 04-15-2004, 04:07 PM
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Join Date: Jul 2001
Posts: 1,459
Re: Surplus Powder

stmag1, very useful info. I shoot a 300RUM and get 3075fps using H50BMG and 240gr MK out of a 33" barrel.

I am surprised about the WC872 vel. I would have expected it to be higher. What criteria did you use to determine the max load?

Jerry
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  #5  
Old 04-15-2004, 08:57 PM
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Join Date: Apr 2004
Location: wv
Posts: 4
Re: Surplus Powder

Jerry

I just used the primers as a pressure sign mostly. The first day I recieved the powders I set the gun up outside the shop without the cronagraph and just worked up to what I consider desent pressure. The next day I shot the top loads for velocity. In all honesty I'm probably a litte more conservative than most.
I dont like killing brass for 25 fps if I can avoid it. But you know how that goes, seems like half the rifles I have dont start to shine until their right at the top.Still I try to find a load off the top a tad if I can.
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