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Kirby Allen builds

 
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  #1  
Old 10-09-2010, 02:52 PM
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Location: Boise, Idaho
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Kirby Allen builds

As far as the 30 cal guns, what versions do Kirby build??
Is it a 300 Allen mag, 300 Allen express, 300 Allen Improved. How would which ever version Kirby builds be better then a 300RUM???
My barrel is shot on my 300RUM and at first was thinking about jumping up to a 330 edge, but am thinking money wise if it would be better to just have him re-chamerber/re-barrel and true up the action on my sendero. Hope all this makes sense.
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  #2  
Old 10-09-2010, 04:59 PM
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Join Date: Aug 2008
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Re: Kirby Allen builds






These are what Im aware of. Email Kirby for more accurate info.

300 Allen Xpress
338 Lapua Magnum parent case, necked to 30 cal and fireformed to the Allen Magnum shoulder and body configuration.
180 gr. (3450 to 3550 fps in 27-30 barrel) to 265 gr. ULD RBBT(3000-3100 fps in 27-30 barrel)
Designed for medium to heavy game at long range, deer, elk and moose specifically
Appropriate powders: H-1000, Retumbo, Rl-25, US869


Think the 300 AM is underdevelopment but needs better bullets to come out that will hold up to the speed it pushes them.

300 Allen Magnum
408 Cheyenne Tactical, necked down to 30 cal and fireformed to Allen Magnum shoulder and body configuration.
Three versions in testing, Full length 3.050 case length, 2.800 and 2.650 case length.
Shortest case length will offer case capacity roughly 15 grains larger then 30-378 Wby.
Projected bullets to be used: 265 and 290 gr. ULD RBBT
Performance estimations: 265 gr. none yet, 290 gr. 3250 fps in 32 barrel.
Design purpose: Long range big game hunting


Hope this helps a little .

Dan
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  #3  
Old 10-09-2010, 05:21 PM
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Join Date: Dec 2007
Location: SW Texas
Posts: 286
Re: Kirby Allen builds

Believe Kirby doesn't work with a remington 700 any more. But even if he did, the RUM is the biggest diameter case he recommends for the 700. Not enough steel there for the bigger diameter case of many of his 308 cartridges.

The 300 RUM or 338 RUM or the 338 Edge are all well adapted. For the first two factory cases are in place and the Edge is just the 300 RUM necked up to 338. Good load data available for all. I'd go one of the 338s off a RUM if you want a long range rig for elk size game.
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  #4  
Old 10-09-2010, 05:59 PM
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Join Date: Jul 2004
Location: OHIO
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Re: Kirby Allen builds

Quote:
Originally Posted by freebird63 View Post
As far as the 30 cal guns, what versions do Kirby build??
Is it a 300 Allen mag, 300 Allen express, 300 Allen Improved. How would which ever version Kirby builds be better then a 300RUM???
My barrel is shot on my 300RUM and at first was thinking about jumping up to a 330 edge, but am thinking money wise if it would be better to just have him re-chamerber/re-barrel and true up the action on my sendero. Hope all this makes sense.
The cheapest thing to do is have him rechamber your exisiting barrel to "renew" your throat. Have someone take a borescope to it and make sure your current bbl is really shot out.

The next thing, which would be my choice, would be to replace the whole barrel with whichever brand suits you and blueprint the action.

Since you are thinking money wise, it doesn't make a lot of sense to me to go with a wildcat because that means new brass, fireforming it, new dies, possibly new powders to try, etc.

Caliber choices are all personal preference. I have a 300 RUM and there's not a warm blooded animal that I have on my list to kill that will survive the big bullets I push from it. So for me personally, I don't need anything bigger than the cannon I shoot now.
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  #5  
Old 10-09-2010, 09:09 PM
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Join Date: Dec 2009
Location: Boise, Idaho
Posts: 473
Re: Kirby Allen builds

I have emailed Kirby, he is a busy man. But I also wanted to get those of you on the board with experience of his work, I wanted you opinions. I find that I am still learning about the long range game. Am sure even with a better longer barrel even if i stayed with the ultra mag it would still be better then the stock sendero. I would love to have it re-chambered to a 338 edge, Kirby has already quoted me a price on that one. So many guns I want and no money to buy them, I hate it when that happens.
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  #6  
Old 10-09-2010, 09:24 PM
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Join Date: Jun 2006
Location: Gillette, WY
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Re: Kirby Allen builds

A 338 Edge would be a great choice! Or, you could sell your rig and build a 375 AllenMag...

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  #7  
Old 10-09-2010, 10:16 PM
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Join Date: Dec 2009
Location: Boise, Idaho
Posts: 473
Re: Kirby Allen builds

Your going to love this one cinch, that picture is my wallpaper on my computer, I dream of one day owning a work of art such as that.
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