Author Topic: Welcome Mr. Randy Shelley designer of the 9x25Dillon cartridge  (Read 8643 times)

The_Shadow

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I starting this thread with hopes Mr. Randy Shelley can add to the history as he knows it.  :D

Mr. Randy Shelley mentioned in another post;
Quote
Gentlemen, I built 9x25 in 1988 and built the 9x30 in 1993. I enjoy reading your posts. At some point I'll post some photos for you on here.
  I understand you worked for Dillon Precision at the time.  I

I hope he can elaborate on the others involved as well, like Jay Phillips and Eric Harvey who may have helped with cartridge load development or testing.

Then there were Rob Leatham, Armt Myhre and Michael Voigt who chose to shoot competition using the 9x25 cartridge.
This is a link to a video I posted, showing some of those who were in competition with it back a few years.  ESPN Colt Pro Shootout 1994  http://10mm-firearms.com/wildcats/9x25dillon-back-in-the-day!/

Mr. Shelley, Please feel free to add what you can to help preserve your role with these very interesting cartridges!
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Randy Shelley

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Re: Welcome Mr. Randy Shelley designer of the 9x25Dillon cartridge
« Reply #1 on: June 11, 2015, 07:17:39 AM »
Gentlemen, I'm currently at Philmont Boy Scout ranch in New Mexico. Training them to reload and shoot. I have limited cell service here. I'll get back on here when I get home. I'm am employed at Dillon Precision.

sqlbullet

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Re: Welcome Mr. Randy Shelley designer of the 9x25Dillon cartridge
« Reply #2 on: June 11, 2015, 10:09:15 AM »
Have fun at Philmont!

Randy Shelley

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Re: Welcome Mr. Randy Shelley designer of the 9x25Dillon cartridge
« Reply #3 on: June 13, 2015, 08:18:38 PM »
I had a great time at philmont. I'll be happy to answer most questions, that are asked. I still load and shoot 9x25. I do not own a Glock in this caliber.

The_Shadow

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Re: Welcome Mr. Randy Shelley designer of the 9x25Dillon cartridge
« Reply #4 on: June 14, 2015, 10:32:27 AM »
Randy and I have been trying to get our communications setup and we may have things worked out...

He sent me this picture; Engineer from Dillon Firing my AMT AUTO MAG 3 in 9x30 about 2 weeks ago. 147 grain XTP's moving at 2000 fps.



Wow  :o that movin' for the 147 grain, hope to see closeup pics of his guns soon.
« Last Edit: November 13, 2017, 06:47:08 PM by The_Shadow »
The "10mm" I'm Packin', Has The Bullets Wackin', Smakin' & The Slide is Rackin' & Jackin'!
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The_Shadow

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Re: Welcome Mr. Randy Shelley designer of the 9x25Dillon cartridge
« Reply #5 on: June 14, 2015, 11:09:02 AM »
Randy Shelley writes; This is the AUTO MAG 3 in 9x30. I didn't know what I was going to call it at first. Walt Jones from AMT put the serial number on the frame as 9x25 Mag.

« Last Edit: November 13, 2017, 06:47:46 PM by The_Shadow »
The "10mm" I'm Packin', Has The Bullets Wackin', Smakin' & The Slide is Rackin' & Jackin'!
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The_Shadow

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Re: Welcome Mr. Randy Shelley designer of the 9x25Dillon cartridge
« Reply #6 on: June 14, 2015, 11:47:59 AM »
Randy Shelley writes; This is my 9x25 race gun. Parts are from Rob Leatham, Springfield Armory custom shop. Put together by Frank Glenn. Plating is from Robby Barkman at Robar, Nickel and NP3

« Last Edit: November 13, 2017, 06:48:52 PM by The_Shadow »
The "10mm" I'm Packin', Has The Bullets Wackin', Smakin' & The Slide is Rackin' & Jackin'!
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The_Shadow

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Re: Welcome Mr. Randy Shelley designer of the 9x25Dillon cartridge
« Reply #7 on: June 14, 2015, 12:00:01 PM »
Randy Shelley writes; This is my AMT 9x25 Backup pistol. It will fire 115 grain bullets at 1350 FPS. Not bad for about 2" of barrel. Basically, a 357 that fits in the palm of your hand.



I took a Ruger 38-40/10mm convertible, opened up the 10mm cylinder to shoot either 10mm magnum or my rimmed version, 40 cal. magnum. Project started in 1997 still not fired yet.





These are very nice and thanks for sharing Randy!  8)
« Last Edit: November 13, 2017, 06:51:24 PM by The_Shadow »
The "10mm" I'm Packin', Has The Bullets Wackin', Smakin' & The Slide is Rackin' & Jackin'!
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evb

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Re: Welcome Mr. Randy Shelley designer of the 9x25Dillon cartridge
« Reply #8 on: June 14, 2015, 12:55:30 PM »

I'd like to learn more about 9x30 ! 
Is the only change to Automag III the barrel?
Where would I get brass and loading data?
Thanks
Erik

Randy Shelley

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Re: Welcome Mr. Randy Shelley designer of the 9x25Dillon cartridge
« Reply #9 on: June 14, 2015, 01:34:51 PM »
Erik, my AMT Auto Mag 3 is one of a kind, built for me, by AMT about 1993. They were excited to do the project. I sent the pistol, back to them, a few times. They were working with some Hollywood film makers about the possibility of using it in a film. It never came together. Original Auto Mag 3 are in 9mm Winchester Magnum, or 30 Carbine. The bolt face is smaller, and the magazines are smaller. You would have to find a gunsmith, willing to take the job on. With Amt out of business, parts can be difficult to find. High Standard, now owns what is left of AMT. They don't list many parts for this pistol. They seem to be more focused on the 22 caliber pistols. Sorry I'm not able to help you. Good luck! Randy

evb

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Re: Welcome Mr. Randy Shelley designer of the 9x25Dillon cartridge
« Reply #10 on: June 14, 2015, 01:43:45 PM »

Too much modification for me...
Thank you for your reply!
Erik

Randy Shelley

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Re: Welcome Mr. Randy Shelley designer of the 9x25Dillon cartridge
« Reply #11 on: June 14, 2015, 01:59:08 PM »
Erik, if I was starting this project today, I would be looking at a Desert Eagle in 357 Magnum. It would be much easier to convert. Only requirements should be a reamer, to open up the chamber. And set of dies to load 9x30.
« Last Edit: June 14, 2015, 02:01:04 PM by Randy Shelley »

The_Shadow

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Re: Welcome Mr. Randy Shelley designer of the 9x25Dillon cartridge
« Reply #12 on: June 14, 2015, 02:40:59 PM »
Randy I was actually thinking about the Coonan 357 Magnum semi auto as a likely candidate for conversion. http://www.coonaninc.com/  They are handsome pistols in the 1911 pattern. ;D



Things I was thinking about...
The breech face should handle the 0.4250" of the 10mm Magnum and 9x30 cartridges. 
It might be possible to load longer projectiles for 10mm and 9x25 in the cutting of the chamber throats.
357 Mag COAL is 1.5900" the 10mm Mag and 9x30 COAL 1.555 (39,48) MAXIMUM.
Therefore it may be a simple re-reaming the chamber of a barrel if it has enough meat in the chamber area.
Barrels chambered for 10mm Magnum would be very interesting in this package.
« Last Edit: November 13, 2017, 06:52:33 PM by The_Shadow »
The "10mm" I'm Packin', Has The Bullets Wackin', Smakin' & The Slide is Rackin' & Jackin'!
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Randy Shelley

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Re: Welcome Mr. Randy Shelley designer of the 9x25Dillon cartridge
« Reply #13 on: June 14, 2015, 07:00:21 PM »
Shadow, the Coonan, might be a good choice. I know the magazine is built for a rimmed cartridge, so I wonder how it will do with a rimless cartridge?

The_Shadow

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Re: Welcome Mr. Randy Shelley designer of the 9x25Dillon cartridge
« Reply #14 on: June 15, 2015, 12:07:30 PM »
Randy Shelley sends more pictures; Early Dillon catalog cover 1986. Left to right, Eric Harvey, Randy Shelley, Mike Dillon, Bill Murphy, Xavier Gonzales


And more recent; This is us now
« Last Edit: November 13, 2017, 06:54:00 PM by The_Shadow »
The "10mm" I'm Packin', Has The Bullets Wackin', Smakin' & The Slide is Rackin' & Jackin'!
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Southeast, LoUiSiAna