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.22-06??
 Moderated by: Slingshot, Rockydog, klallen, DesertMarine, -6
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 Posted: Fri Jun 3rd, 2005 09:58 AM
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greysmoke
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Gents

Is there such a thing, and what can you tell me about it?? I talked to a gunsmith and he said that he is building a rifle in that cal. All he siad is its an'06 case necked to .22. Didnt say what the shoulder angle might be.

What kind of vel could you expect from this arrangement?



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 Posted: Fri Jun 3rd, 2005 10:11 AM
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Timberghozt
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Hey Grey.Yes there is such a thing.You don`t see it often mentioned though.It is particularly overbored.I don`t have any load data for it in my books.Maybe in the Handloaders Book of cartridge conversions.Fiftydriver or Max may be able to give you some more info on it.

 



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 Posted: Fri Jun 3rd, 2005 10:24 AM
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Timberghozt
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Hey Grey..After looking in my Wildcat book.There is one called the 22/06 Easling and the 22/06 Short.The 06 Easling made from 25-06 brass...The Velocity listed was 3455 fps with an 89 gr bullet.I don`t know where they found an 89 gr .224 bullet:confused:but that is pretty impressive to say the least with a bullet that heavy in .22 caliber at that speed.:thumbs:



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 Posted: Fri Jun 3rd, 2005 11:02 AM
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greysmoke
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TG

Thanks for the info- only thing i think is barrel life might be a problem??

Good to see your page just getting busier and busier...... :thumbs:



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 Posted: Fri Jun 3rd, 2005 10:07 PM
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Timberghozt
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Hey Grey.Yep,I would think throat erosion could get bad if it was loaded to its potential all the time.

Thanks and yes it is getting busy.It is not just my page bud.It belongs to all you guys here who make it a good site to talk about whatever we want..:thumbs:How is the weather down there?It is getting hot now for us here in Texas.UGGG,at least 3 months of scorcher ahead...:sad:



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 Posted: Sat Jun 4th, 2005 04:27 AM
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Mickey Rat
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Sounds like a good ideal you can call it a 220 Swiftest



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 Posted: Tue Jun 7th, 2005 01:55 PM
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Fiftydriver
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Greysmoke,

I have a bit of experience with very large cased wildcats with my Allen Mags and I have done a few large cased 22 cals as well.  My largest is a 22-6mmAI which is only marginally less in capacity then the standard 22-06.

When building a rifle like this you are far better off to use a very heavy bullet.  There are several on the market but most will not handle the top velocity potential of a round such as the 22-06.  Unfortunately, our barrels and powders are fully capable of producing good performance with an extreme round like this but our bullet makers still make heavy 224 caliber bullets for the velocity range of the 223 Rem. 

There are some bullets out there that will work but most are custom options.

Richard Graves of Wildcat bullets is designing a heavy jacketed 100 gr ULD 224 bullet for me to use in a fast twist 22-6mm AI.  This would be a perfect bullet for a round like the 22-06.

There are ways to increase barrel life with rounds like this as well.  Best way is to use a stainless barrel which will offer around 20% longer barrel life then the chrome moly barrels.

Also, the rifling design is critical.  I use Lilja 3 groove barrels in all of my Allen Magnums simply because they are very fast, very accurate, produce very little if any copper fouling and increase throat life often significantly compared to a traditional 6 groove rifling design.

Next step in increasing barrel life in these rounds is the powder you use.  With a 224" bore and a case capacity this size you would be best served with a ball powder.  These powders have been labeled as dirty burning and temperature sensitive pains in the rear but in all honesty, if oyu load up to good working pressures they burn pretty close to as clean as the stick powders.

The advantage of a ball powder is that they burn much cooler then a modern high energy stick powder does keeping bore temps lower, longer.

Also, they are MUCh less abrasive in the throat area as teh powder is forced through the throat under high pressure and high temps.  These two factors greatly increase barrel life.

My Extreme Sporter and Extreme Heavy rifles chambered for my Allen Mags all use this technology to increase barrel life.  I would guess that compared to a conventional 6 groove barrel using stock powders such as Retumbo or Rl25, you would gain another 20% in barrel life using a 3 groove stainless barrel and a slow stick powder.

This of course if you do not abuse your barrel with rapid firing.  If you do this with a 22-06, you will be rebarreling every 500 rounds.  If you take care of it, I would suspect that 1200 rounds would be possible with quality hunting accuracy.

Good Shooting!!

Kirby Allen(50)



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 Posted: Fri Jun 10th, 2005 12:18 PM
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greysmoke
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TG

Winter is on its way in SA- good news for me so I can start preparing for the planned hunt. ( and a coupple of unplanned ones I hope).

 



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 Posted: Fri Jun 10th, 2005 12:22 PM
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greysmoke
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Hi 50

thanks for the info.

The three groove barrels sounds very interesting and promising. Pity that we are very much restricted to the run of the mill barrels in SA. Unless it would be possible to import one.

 

I think the reduction in barrel fouling might justify this exercise. Have you tried this kind of barrel on bigger cals? I would like to hear how they perfvormed.

 

all the best



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 Posted: Sat Jun 11th, 2005 10:51 PM
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Fiftydriver
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Greysmoke,

 

I use the Lilja 3 groove in all my rifles from 224" cal up to 308" cal with great results.

These are used exclusively in my Allen Magnums simply because of the extreme performance levels with these rounds with very heacy, long bullets.  It is the best system I have used for extreme performance big game rounds and is extremely good system for a high speed varmint rifle as well.

Good Shooting!!

Kirby Allen(50)



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