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41 JMP

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Callahan's Auto Mag
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    Posted: 26 Feb 2012 at 1:44am
I noticed a number of postings over the last year where you guys are talking about the 41 JMP and wanted to start a thread to discuss why you are interested in this round, nostalgia or because you have personal experience with it and if so what was positive about it.
 
Myself, I only did some very limited testing with the 41 JMP but never warmed up to it.
 
Look forward to hearing what you guys have to say.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Rumore Quote  Post ReplyReply Direct Link To This Post Posted: 26 Feb 2012 at 1:57am
I've owned 2 different 41's over the years.  One was a 6.5" 41JMP El Monte barrel WITHOUT a Jurras logo on it.  I shot several hogs with it and fired  the below FIVE shot group at 50 feet, hand held standing with it.  That was back when I was 23 years old though.  It was my go-to barrel for hunting.  I also had a Covina 8.5" tapered 41AMP barrel (marked AMP not JMP) and it was chambered short so full length sized cases would not chamber in it.  I had a special shell holder that I used to size rounds for that barrel.  It was shaved thin, in order to get the shoulder shoved back far enough to chamber.  That was just a huge pain in the ass, so I rarely used that barrel. However I did use that barrel one time to drop a hog at 85 yards in the pouring rain, hand held, no rest. 
 
Tony Rumore
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Auto Mag Quote  Post ReplyReply Direct Link To This Post Posted: 26 Feb 2012 at 4:26am
Were you fire-forming your brass before loading full power rounds?
 
I had a devil of a time forming the brass at first, the shoulder was tough to get right the first time, but once fire-formed reloading was no problem.
 
Bullet selection was not great 20ish years ago, maybe there are better/more choices today.
 
I just never felt like the 41 JMP was worth it, If I wanted a fast round I could just shoot 357 AMP and if I wanted to punch a big hole then the 44 AMP did the trick, and the very narrow bullet weight between the 158gr 357 AMP and the 180gr 44 AMP was not some magical number I was looking for, and so I gave up on it. 
 
So its itneresting to hear what others think that have any real experience with the round.
 
Thanks
 
GH
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Post Options Post Options   Thanks (0) Thanks(0)   Quote AUTOMAG Quote  Post ReplyReply Direct Link To This Post Posted: 26 Feb 2012 at 12:26pm
I never had a 41 JMP barrel but I do have the reloading die set for it!!! Maybe one day!!!!Smile
"This is the 44 Magnum Auto Mag and holds a 300 grain cartridge and if properly used it can remove the fingerprints"!!!
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Post Options Post Options   Thanks (0) Thanks(0)   Quote tgt40 Quote  Post ReplyReply Direct Link To This Post Posted: 26 Feb 2012 at 1:31pm
^^^^^^^Ha!  Me too!^^^^^^
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Auto Mag Quote  Post ReplyReply Direct Link To This Post Posted: 26 Feb 2012 at 2:03pm
Honestly I really feel like it just doesn't offer any advantages to make it worth the cost in the Bbl and dies and then keeping another stash of bullets.
 
I dont personally feel that the 41 JMP is any more accurate that the 357/44 AMP in the testing I did, and with 357 "common" bullet weights for the 357 running from 125 - 158gr and for the 44 from 180 - 240gr then the 41 fills a real narrow space in between, so again, not sure what I'm missing but to say you have one.
 
I would love to hear a really compelling reason to drop $2k on the 41 over either the 357 or 44, but then sometimes just because is enough for some,,,  Guess thats why I ended up with so many "extras",,,  ;-)
 
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Post Options Post Options   Thanks (0) Thanks(0)   Quote schwammy Quote  Post ReplyReply Direct Link To This Post Posted: 26 Feb 2012 at 7:56pm
To me the 41 JMP, 40 KMP and the LMP's are more than just projectiles with numbers.
They have a personal touch by people who are part of 'the Auto Mag story'.
I could babble on with a lot more of my feelings, but they follow the same point as above.

I'll put a couple of hundred rounds total per month through mine because to me they are a joy to shoot.
Hunting around here usually means a 50-75 yard shot.
With my confidence in the Auto Mag from practice, I'll often take a head shot where any of the calibers would do.
I already reload 28 calibers, so for me I'd be happy to add those without a second thought.
I actually enjoy adding new calibers to my stable since it gives me a chance to add to my knowledge and develop new pet loads.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Gerry Quote  Post ReplyReply Direct Link To This Post Posted: 27 Feb 2012 at 12:16am
Much like Schwammy, reloading and shooting are my hobby. I bought a set of 41 JMP dies in a moment of a lapse of reason. Since I had the dies and brass, I needed a barrel.
Off to SSK for a 10" barrel with a SOB mount for my TC G2. I put a 2X Leupold and made some brass, and then put about 20 rounds into 2" at 25 yards.
Always wonder what a clip would be like in the AMP platform.
Already have a 357 AMP barrel both for my AMP and TC.
The addiction continues, maybe.
Gerry
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Post Options Post Options   Thanks (0) Thanks(0)   Quote TRX302 Quote  Post ReplyReply Direct Link To This Post Posted: 27 Feb 2012 at 12:44am
I count 23 barrels in that picture... that must be why Brian is having to make 23 more!
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Post Options Post Options   Thanks (0) Thanks(0)   Quote tgt40 Quote  Post ReplyReply Direct Link To This Post Posted: 27 Feb 2012 at 2:52am
Given an option I'd go .357 but I've been given no option!

Lol.............
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