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Fireforming done!

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  #1  
Unread 08-27-2005, 08:50 PM
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Location: Southwestern Montana
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Fireforming done!

Finished fireforming my initial 100 243 AI cases today at the range. I actually kept a few of the targets and took some pics of them since I think I have this pic posting figured out.
I made a tool from 1/8" brass rod and a couple of bow sight pin clamps for determining OAL.
Next step is ladder testing to determine powder charge to go with the 95 g nosler ballistic tips.
I'll keep you posted as to the progress.




picture quality is lacking but its a dime and 5 shot groups at 100 yds. Zero not dialed in yet due to garbage loads was just looking for grouping.
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  •   #2  
    Unread 08-27-2005, 09:52 PM
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    Re: Fireforming done!

    Cowboy:

    Looks like you’ve got this picture posting down pat. [img]/ubbthreads/images/graemlins/smile.gif[/img] Good looking groups for fire forming. Looks like Kirby might have done a good job on your rifle as usual.

    No excuses now, just keep us posted on the results of the full load tests.
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      #3  
    Unread 08-28-2005, 11:32 AM
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    Re: Fireforming done!

    We want to see the tool.

    Me and Roy in Idaho are having a contest on the dumbest contraption we have ever devised. You are invited to enter your tool.
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      #4  
    Unread 08-28-2005, 07:01 PM
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    Re: Fireforming done!

    OK! I'll take a pic of my tool and post it for you guys.(that sounds so wrong)
    We need a new post for homemade tools.
    I have to get the wife to show me how to use her camera. Thats her tool and I'm not allowed to touch it!
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      #5  
    Unread 08-29-2005, 07:20 AM
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    Re: Fireforming done!

    Hey Cowboy,

    Them there cases sure look familar [img]/ubbthreads/images/graemlins/smile.gif[/img] Now then fun begins , keep us posted on your ladders and such. So far I have a load developed for my .243 AI that will soot 1" at 300. It's 42 grs. H4350 under a 107 Sierra mk hpbt., course my twist is 7.5 .

    I have reloaded one lot of fireformed cases 5 times already and they don't grow hardly at all [img]/ubbthreads/images/graemlins/cool.gif[/img] They are still collet neck sizing to the same size and the primer pockets are nice and snug.

    take care , Jim B.
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      #6  
    Unread 10-02-2005, 08:09 PM
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    Re: Fireforming done!

    Anybody heard of using cornmeal as a filler for fireforming cases in lieu of a bullet? I read an article in a back issue of Varmint Hunter magazine, and I have used this method to fireform my 30-06 Ackley cases with great success. Much less powder is burned also (pistol powder).The cornmeal is supposed to be non-abrasive, and I have noticed no ill effects on the barrel.
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      #7  
    Unread 10-02-2005, 09:10 PM
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    Re: Fireforming done!

    I fireform all my brass using the COW method. Works great.

    Jerry
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