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GO, No GO, Field gauges set for 44 AMP?

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WVWRZ500N View Drop Down
180 Auto Mag
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Post Options Post Options   Thanks (0) Thanks(0)   Quote WVWRZ500N Quote  Post ReplyReply Direct Link To This Post Posted: 24 Oct 2019 at 7:51pm
Originally posted by AndyC AndyC wrote:

The box is arriving today - I know the experienced folks have said that converting .308 etc brass is a pain, but I'd like to have the kit to be able to make them.

Unless you have some exceptional skills with the ream die kit you'll still need a trim lathe.

Regards,
Bill Wilson
Lee's Summit, MO
816-377-3185
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Pantera Mike View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Pantera Mike Quote  Post ReplyReply Direct Link To This Post Posted: 25 Oct 2019 at 1:37am
The real value in that box is the trim die. That can prove quite useful. 

IMHO making your own Auto Mag brass when Starline sells it pre-made is like making your own automobile tires. Yes, with the right equipment, it may be possible, but that doesn’t make it smart.

On the other hand, if Starline brass suddenly became unavailable, you would be well-positioned to keep on shooting, as there will always be an endless supply of 308, 30-06 etc brass.

Congrats again on the Win!
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WVWRZ500N View Drop Down
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Joined: 09 Mar 2008
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Post Options Post Options   Thanks (0) Thanks(0)   Quote WVWRZ500N Quote  Post ReplyReply Direct Link To This Post Posted: 25 Oct 2019 at 4:51am
Originally posted by Pantera Mike Pantera Mike wrote:

...IMHO making your own Auto Mag brass when Starline sells it pre-made is like making your own automobile tires. Yes, with the right equipment, it may be possible, but that doesn’t make it smart.

Mike,

I think you completely missed the point of this thread.  The imperative and smart thing to do is to prepare brass that will prolong the life of the gun for generations to come.  You can only do that by preparing gun specific length brass with the trim die set and a trim lathe.

Regards,
Bill Wilson
Lee's Summit, MO
816-377-3185
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Pantera Mike View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Pantera Mike Quote  Post ReplyReply Direct Link To This Post Posted: 25 Oct 2019 at 5:13am
Ah yes, good point. 

But if the trim die is set, one would trim the brass by filing any excess protruding from the top of the die, no?  I see a trim die and a case trimmer lathe to be mutually exclusive tools, no?

I went through a very extensive brass setup process when I first started loading 357 AMP. I didn’t have a 357 AMP trim die at the time so had to resize cases, then shorten with my case trimmer lathe.  I got lucky in that my chamber perfectly matches the RCBS sizer die so the round chambers perfectly only when the die is touching hard against the shell plate.  Since it indexes on the shoulder and normally has a roll crimp (I choose to use a taper crimp), case length isn’t quite as important as with 44 AMP.

I have never taken the time to determine the optimal case length for my 44. I have fired mostly factory SBR ammo, and have only prepared a handful of boxes of reloads using once-fired brass, which functioned perfectly. I can of course run the brass through the trim die after a few loadings to ensure case stretch isn’t an issue, but I haven’t gotten there yet, as I have no cases that have been fired more than twice. 

My 357 and 44 AMP trim dies have therefore been purely decorative up until now....
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