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.17 mach 2

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rhett View Drop Down
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    Posted: January/22/2009 at 10:30
Good morning all,
Will any rifle that is chambered for a .22LR accept .17 mach 2 rounds without any modification to the .22 LR rifle?
 
Thanks,
Rhett
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Post Options Post Options   Thanks (0) Thanks(0)   Quote pyro6999 Quote  Post ReplyReply Direct Link To This Post Posted: January/22/2009 at 10:39
is there a reason why you would want to do that? the bullet diameters are obviously different, accuracy would be poor at best, this sounds dangerous to me.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote RifleDude Quote  Post ReplyReply Direct Link To This Post Posted: January/22/2009 at 18:01
Originally posted by rhett rhett wrote:

Good morning all,
Will any rifle that is chambered for a .22LR accept .17 mach 2 rounds without any modification to the .22 LR rifle?
 
Thanks,
Rhett
 
.17 Mach 2 is nothing more than .22LR necked down to .17 caliber.  Any bolt action rifle chambered in .22LR can be modified to .17 M2 by only changing out the barrel.  The same magazines for .22LR will work with .17 M2, and the bolt face is exactly the same, since they have the same rim diameter and thickness.  With a blowback style semiauto like a 10/22, to prevent case rupture, the bolt needs to have more mass for the .17 M2 due to the increased pressure and subsequent increased bolt acceleration.
 
Obviously, you can't simply fire .17 M2 ammo in a .22LR safely because of the 0.047" difference in bore diameter, which is huge!  You could chamber the .17, fire it, and it would go bang, but you wouldn't get any accuracy because the .177 bullet wouldn't seal in the much larger .224 bore, and it would be a dangerous practice.


Edited by RifleDude - January/22/2009 at 18:04
Ted


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Tip69 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Tip69 Quote  Post ReplyReply Direct Link To This Post Posted: January/22/2009 at 21:09
what those 2 said!
take em!
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trigger29 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote trigger29 Quote  Post ReplyReply Direct Link To This Post Posted: January/22/2009 at 23:31

This is bad mojo. Please don't try it. Rifledude pretty much summed it up.


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Post Options Post Options   Thanks (0) Thanks(0)   Quote medic52 Quote  Post ReplyReply Direct Link To This Post Posted: January/23/2009 at 09:15
go put a round peg in a square hole if you need to due something different, its safer
"The true soldier fights not because he hates what is in front of him, but because he loves what is behind him." G.K. Chesterton
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Post Options Post Options   Thanks (0) Thanks(0)   Quote lucytuma Quote  Post ReplyReply Direct Link To This Post Posted: January/23/2009 at 09:47

  Whacko

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Post Options Post Options   Thanks (0) Thanks(0)   Quote rifle looney Quote  Post ReplyReply Direct Link To This Post Posted: January/23/2009 at 16:05
  Shocked.......WTF !......
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Urimaginaryfrnd Quote  Post ReplyReply Direct Link To This Post Posted: January/23/2009 at 23:54
 I doubt it would be enought power to blow the gun up. Accuracy would be non existant.  I would be a lot more worried about the idea if one dropped a 243 cartridge in a .308 and fired it as there is so much more energy involved.  I doubt I would even consider doing it unless there was no 22 ammo available plus extreme circumstances.
 
The way its written makes me wonder if he realizes 22 and 17 are different sizes.


Edited by Urimaginaryfrnd - January/23/2009 at 23:56

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trigger29 View Drop Down
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X = 180 Y = 90 (X+Pyro)+(Y-Pyro) = ?

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Post Options Post Options   Thanks (0) Thanks(0)   Quote trigger29 Quote  Post ReplyReply Direct Link To This Post Posted: January/24/2009 at 00:55
Originally posted by Urimaginaryfrnd Urimaginaryfrnd wrote:

.
 
The way its written makes me wonder if he realizes 22 and 17 are different sizes.
I hesitate to say, but in a matter like this, I can't be too clear. DON'T TRY IT!

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Post Options Post Options   Thanks (0) Thanks(0)   Quote pyro6999 Quote  Post ReplyReply Direct Link To This Post Posted: January/24/2009 at 08:55
Originally posted by Urimaginaryfrnd Urimaginaryfrnd wrote:

 I doubt it would be enought power to blow the gun up. Accuracy would be non existant.  I would be a lot more worried about the idea if one dropped a 243 cartridge in a .308 and fired it as there is so much more energy involved.  I doubt I would even consider doing it unless there was no 22 ammo available plus extreme circumstances.
 
The way its written makes me wonder if he realizes 22 and 17 are different sizes.


if you watch the outdoor channel enough  they have that segment where they torture guns and they wanted to see how many different shells they could run through a gun before it malfunctioned or blew up. i think they used a 30-06, and shot various calibers through it starting with .223 i believe. they made it to .270 or 7-08 before they had serious problems.
They call me "Boots"
375H&H Mag: Yeah, it kills stuff "extra dead"

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rifle looney View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote rifle looney Quote  Post ReplyReply Direct Link To This Post Posted: January/24/2009 at 10:02
I have a whole box of 7x57 mauser that someone fired in an 06 or a 280 they are completely blown out straight wall cases now. I think who ever did this didn't care.once you look at them you know something wasn't right ....the whole box?

Edited by rifle looney - January/24/2009 at 10:17
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Post Options Post Options   Thanks (0) Thanks(0)   Quote pyro6999 Quote  Post ReplyReply Direct Link To This Post Posted: January/24/2009 at 10:11
Originally posted by rifle looney rifle looney wrote:

I have a whole box of 7x57 mauser that some fired in an 06 or a 280 they are completely blown out straight wall cases now. I think who ever did this didn't care.once you look at them you know something wasn't right ....the whole box?
Hammer Hit
They call me "Boots"
375H&H Mag: Yeah, it kills stuff "extra dead"

343 we will never forget

God Bless Chris Ledoux
"good ride cowboy"
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