Is it safe to shoot a 22 long rifle in a

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thom
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Is it safe to shoot a 22 long rifle in a

#1

Post by thom » October 9th, 2019, 9:44 pm

Is it safe to shoot 22 Long rifle in a 22 magnum? I was always told NO WAY. That is the reason gun makers have 2 different cylinders for 22 revolvers.

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Re: Is it safe to shoot a 22 long rifle in a

#2

Post by Lobo2087 » October 9th, 2019, 10:03 pm

No, smaller diameter and is likely to burst if you shoot it in 22mag chamber

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Re: Is it safe to shoot a 22 long rifle in a

#3

Post by Suck My Glock » October 9th, 2019, 11:26 pm

Well, there is a difference between SAFE to shoot vs. ADVISABLE.

The .22lr is a .223 diameter bullet, while the .22mag is a .224 pill. That's not much, but it can make an accuracy difference. So all things being equal, a .22lr projectile could perhaps not engage the rifling as positively as the .22mag projectile. But is that unsafe? I don't think so.

However,...because the .22lr is a "heel-crimped" cartridge and the .22mag is more like any other traditional straight wall crimped cartridge like .357mag or .44mag, the chamber diameters between the lr and the mag are different. The .22lr case diameter at the neck is .226,...barely larger than the projectile itself (as a result of the aforementioned heel-type crimping). But the case diameter at the neck for the .22mag is .242 inch. This means that when you fire a .22lr in a .22mag chamber, the .22lr case expands and stretches more than it does in a chamber cut for the .22lr! Usually such cases hold together and don't rupture, but occasionally the brass can split.

Separate from all this, a projectile from a .22lr fired in a .22mag chamber will have to "jump" a very large leade before it engages rifling. This can be hard on a pure lead bullet and potentially result in stripping the surface lead from the projectile and have a bullet that doesn't get appropriate rotation to fly straight.

But in practical experience,...I can't say it is "unsafe". With the possible exception of lead depositing in the chamber shoulder which could result is a .22mag round producing higher pressure when fired due to that sort of fouling.

I myself, in my younger more foolish days, used to shoot .22lr in various .22mag stuff all the time. Other than an occasional split case, never had an issue. The bulk of my experience doing this was with a .22mag derringer I used to own.

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Re: Is it safe to shoot a 22 long rifle in a

#4

Post by omegaman » October 10th, 2019, 7:44 am

I've done it with one of them cheap rough rider guns never had an issue. It was by mistake I thought the lr cylinder was in it shot it all day.

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Re: Is it safe to shoot a 22 long rifle in a

#5

Post by Doc Holliday » October 10th, 2019, 12:37 pm

I say NO, even on this board, too...but...sometimes you have to learn it yourself the hard way. Enjoy. :)
Voting Trump in 2020. Libs can suck on that for another four years.

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Re: Is it safe to shoot a 22 long rifle in a

#6

Post by Flash » October 10th, 2019, 1:23 pm

Some people will learn from other people's mistakes and some just have to pee on the electric fence.

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thom
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Re: Is it safe to shoot a 22 long rifle in a

#7

Post by thom » October 11th, 2019, 9:08 pm

The article in a gun magazine retracted the statement that it was ok to shoot.
Glad everyone here agreed.

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Re: Is it safe to shoot a 22 long rifle in a

#8

Post by 792mauser » October 16th, 2019, 12:56 am

You'll blow/split cases and get mediocre accuracy at best.
Not the end of the world but still it's bad juju.
Did it years ago with a Marlin in my youth when I didn't know better and then wondered why the extractors kept popping off.

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