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Old November 26, 2010, 08:34 PM   #1
t45
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Benchrest shooters, I need help!

15yrs ago I got into 1000yd benchrest shooting and still have my loading notes but I am missing one criticle item. I fireformed my 243ack brass by using Bullseye pistol powder, and using cream-of-wheat as a filler and capped of with wax. I have lost these criticle notes. I can not remember how much Bullseye I used for this process. This process was told to me by a fellow benchrest shooter. I have used this method several times in the past (over 10yrs ago) but cant remember the powder weight. Before anybody says you can fireform by loading up regular 243 brass, I know that but want to keep the barrel and throat wear to a minimum. Has anybody used this process before?
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Old November 26, 2010, 08:47 PM   #2
Brian Pfleuger
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The "modern" procedure would probably be to use IMR Trail Boss. It will fill the case and keep pressures low. It also burns very clean.


http://www.hodgdon.com/PDF/Trail-Boss-data.pdf


I've used it to fire-form 7mm-08 and 204Ruger brass.
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Old November 26, 2010, 08:53 PM   #3
mehavey
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See also...

http://www.angelfire.com/sd/6mmackley/fireforming.html

.
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Old November 27, 2010, 10:49 PM   #4
amamnn
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I'll assume you are talking about the .243 Win ackley improved cartridge........You might ask on the benchrest.com website or probably checking the archives on the the factory/hybrid threads at that site would be more productive. Since that cartridge is not a competitive BR cartridge at IBS or NBRSA meets, you might ask around some of the general reloading sites as well.

Some possibilities:

http://www.reloadersnest.com/
http://www.accuratereloading.com/

You might also consider doing what a great many, if not most BR shooters do with old barrels--which is use them for fireforming with junk bullets and then putting on the good, new, barrel for matches. No special FF loads are required, and since the competitive life of a BR barrel is fairly short, and the throat, being the first to go, is erroded mainly by the combustion involved in firing bullets or cream of wheat, this method may make more sense.
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Last edited by amamnn; November 27, 2010 at 11:29 PM.
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