#370140 - 08/29/07 07:48 AM
New .25X,307 AI wildcat
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worriedman
6 Point
Registered: 10/12/06
Posts: 926
Loc: Bells
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Been wanting something different, here we go. Had Kim Monothy of Chase Mountain Custom (chasemountaincustom.com)do me a stub barrel in .25X.307AI, basically a rimmed .308 necked down to .25 caliber, Pac Nor barrel heavy varmint profile turned to match the donor stub.
Cases. .307 Win. parent, fire formed .25X.307, and .243 for comparison.
The diameter required him to fit and work a new walnut forearm, pillar bedded and free floated.
I had acquired a new Pro Hunter thumb hole composite stock, so I decided to fit a forearm to match. Standard 26" rifle forearms are too thin, so I picked up a 12 ga. forearm and went to work.
Used my old 1" pipe that I lap scope rings with, diameter close enough to the barrel to make it work. Deepened the channel and evened it all out.
Wanted to put aluminum pillars in to space the forearm off the barrel, so I got the bright idea to tap the screw holes in the forearm and thread the stand offs.
First problem, how to hold the stand offs for threading? I drilled a 5/16 bolt and tapped it to 10X24tpi.
Set the stand off on it and threaded 3/8"X24tpi.
Got a "Q" bit to relieve the existing screw holes in the forearm, and tapped them to the same thread pattern.
Slotted the stand offs with a dremel tool to give me "screw driver" bite.
Put epoxy on the threads, set the studs a little high, and used the bar to "cove" the tops to match the barrel profile.
Ran out of "daylight" last night. will finish up by building dams of modeling clay in the hollow spaces to surround the pillars and fill with JB weld, clamp to the barrel to form a shoulder with the pillars in the center.
_________________________
"It does not require a majority to prevail, but rather an irate, tireless minority keen to set brush fires in people's minds." Samuel Adams
Life Member NRA, TFA, Tennesseans for Liberty
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#370359 - 08/29/07 09:34 AM
Re: New .25X,307 wildcat
[Re: worriedman]
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.444 Marlin
16 Point
Registered: 08/10/02
Posts: 15325
Loc: Benton, Polk Co. Tenn.
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Sounds like a badarse little round. But I'd rather have it in a .308 case than a .307
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#370431 - 08/29/07 10:11 AM
Re: New .25X,307 wildcat
[Re: .444 Marlin]
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worriedman
6 Point
Registered: 10/12/06
Posts: 926
Loc: Bells
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Break action guns really like the rim, makes head space a moot point for reloading. Having gone to the AI, I have more powder capacity than a .308 anyway. Plus, minimum body taper reduces thrust back on the frame. I have some big boomers in bolt action, this is my Encore toy!
_________________________
"It does not require a majority to prevail, but rather an irate, tireless minority keen to set brush fires in people's minds." Samuel Adams
Life Member NRA, TFA, Tennesseans for Liberty
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#371071 - 08/29/07 03:23 PM
Re: New .25X,307 wildcat
[Re: ]
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Whelen Man
TnDeer Old Timer
8 Point
Registered: 03/12/99
Posts: 2327
Loc: Athens, TN, USA
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Sounds like it's basically a rimmed 25 Souper. I was just looking at that case last week with thoughts of chambering one.
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#371144 - 08/29/07 03:58 PM
Re: New .25X,307 wildcat
[Re: Whelen Man]
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mr.big
Non-Typical
Registered: 01/03/01
Posts: 27931
Loc: Copper Head Road
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I bet that`ll shoot,but I`d head space off the shoulder anyway.
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#371158 - 08/29/07 04:02 PM
Re: New .25X,307 wildcat
[Re: mr.big]
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TiminTN
12 Point
Registered: 06/18/00
Posts: 6264
Loc: Memphis,Tennessee U.S.A.
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Welcome worriedman.
I bet she`s a sweetheart.
If it were mine, I`d go to the smith and show him the cases and have him polish the chamber.
It should have been done before you got it.
Much to be said for the lathes equipped with flushing devise.
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You cannot argue with STUPID
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#371983 - 08/29/07 09:43 PM
Re: New .25X,307 wildcat
[Re: Whelen Man]
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worriedman
6 Point
Registered: 10/12/06
Posts: 926
Loc: Bells
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Sounds like it's basically a rimmed 25 Souper. I was just looking at that case last week with thoughts of chambering one.
It basically is, with a rim.
_________________________
"It does not require a majority to prevail, but rather an irate, tireless minority keen to set brush fires in people's minds." Samuel Adams
Life Member NRA, TFA, Tennesseans for Liberty
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#371996 - 08/29/07 09:48 PM
Re: New .25X,307 wildcat
[Re: mr.big]
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worriedman
6 Point
Registered: 10/12/06
Posts: 926
Loc: Bells
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Online
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I bet that`ll shoot,but I`d head space off the shoulder anyway.
Plan on neck sizing, watching the cases for length, and bumping the shoulder as needed. I use the Bellm headspace gauge each round of reloads, so in effect I am headspacing off the shoulder, but the rim is nice to have!
_________________________
"It does not require a majority to prevail, but rather an irate, tireless minority keen to set brush fires in people's minds." Samuel Adams
Life Member NRA, TFA, Tennesseans for Liberty
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little rifle and round.
