..22 barrel

Not sayin' it can't be done, but if you are having troubles, that you didn't have before, and have not been buying your ammo by the freight-car load, then I would look at other possible sources for the problem.

More details gets better answers. What's happened or happening?

Fouling is a real possibility, damage from dirty ammo too (sand from in the bottom of a jacket pocket, etc.) or going stupid on needless cleaning and actually doing more harm than good (super common rookie move).

Cheers
Trev
 
I don't clean it to often.... Maybe once every 700 rounds or so?.. It's a green mountain barrel on a 10/22. I've been getting about .50-.80 inch groups with cheap Winchester ammo... I slow down with shooting in the winter, usually just hunting. But today I took it out and shot some targets, groups were horrible 2-3 inches. The scope doesn't seem loose, muzzle brake is clean, the action is clean, the barrel I didn't really check? Unless I need to run 50 bullets through it first to make it run consistent? I'm just asking this because I put about 6000 rounds through each summer for the last 3 summers
 
Me, I'd start with pulling a couple dry patches through the bore and having a look with a light.

Add a going over the whole works with a screwdriver to see to it that all is snugged up properly.

If you were happy with it 50 rounds ago, and are comparing to that, rather than new (y'know, last fall, not 18000 rounds back) then the odds are, from my perspective, that you have other problems than 'shot out'. Shot out is a rather more cumulatve effect over a long period, to my view.

Whether that's dried mung in the bore, loose screws (scope mounts, esp.), a scope that took a fatal hit at some point in storage, or any of a bunch of other possible issues, it's pretty much going to need you to go through it and sort it out.

Cheers
Trev
 
Unless I need to run 50 bullets through it first to make it run consistent?

Some guns need that much down a clean tube to settle down. One of mine took 40 rounds of eley team before it was shooting normal. Stupidly I cleaned it when there was no need as it was shooting great. As for the shooting out a 22lr barrel they should be good for half a million or more rounds. Good luck on working to shoot one out is all I can say
 
Most 22s take anywhere from a few rounds to as as many as 40 rounds in the case of a couple of my rifles. This will happen in the case of cleaning and in ammunition changes. I have a few club guns that were shot multiple thousands of times each year. They are from the mid 1930s to the mid 1970s. If properly cleaned I would expect my grand children to hand them down to their young ones to use.
 
Shot out .22 barrels are a true rarity... I've had a few bad-bore .22's (shorts[bp?] used exclusively in a lr chamber)in 90+ year old guns, but n'er actually encountered a shot out one.

As suggested, make certain everything else is tight, and sling a box or so through it. Then check all is snug again.
 
... I cleaned it when there was no need as it was shooting great...


He who has committed no sin may cast the first stone... I thought I ruined one of my favorite .22's just by cleaning it! So much effort to make it gleam, but afterward it went from laser to MOB(minute of barn). I double checked bore for scoring (I was exuberant with the 'ol brush), but all it took was a few boxes through it to fix my damage. "If it ain't broke, don't fix it" comes to mind. Now I know I don't have to freak out when a dirty 'ol gal won't perform when I clean her up UNTIL she's been used for a while.
 
Yes, a 22 match barrel can get shot out. the priming compound causes wear. But I am talking a high quality barrel with 100,000 rounds.

A green mountain barrel is too crude to show that kind of wear issues. Much bigger variables are the rifle and ammo on a given day.

To get a base line with your rifle, put a 24X or bigger scope on it, buy a box of match ammo and shoot groups at 50 yards.

In 5 years, repeat.
 
Yeah, a shot out match barrel is still likely as good or better than a standard barrel. I usually worry more about cleaning practices, that will wear out a barrel quicker than shooting a .22lr. The bullet is really low pressure and soft.

Like someone else said the priming compound is what does the damage and will usually show at 6 o-clock just infront if the throat. On guns made in the first half of the 20th century I look for corrosion from the use of early ammunition which was corrosively primed.
 
And try it without the scope if it won't settle in after 20-50 rounds. It might be tight, but the reticle could have come loose. My money is on the thought that it just doesn't like a clean barrel.
 
How about those ultralight barrels with steel sleeves? I'm curious as it's a possible upgrade I'm considering for my 10/22.. Almost the same price as getting my stock barrel threaded and comped.
 
How about those ultralight barrels with steel sleeves? I'm curious as it's a possible upgrade I'm considering for my 10/22.. Almost the same price as getting my stock barrel threaded and comped.

The first rifle I ever owned, a Charter Arms AR7, kinda soured me on the concept. That thing was a stone cold POS, and the barrel would almost visibly warp, it seemed, if you went through a magazine without allowing the barrel to reach original temp between rounds. Among it's many many faults...

Maybe they are OK, but I won't spend MY money on...

I figure if I want a lighter barrel, I can go shorter or slimmer, or both, but for the most part when I went looking at aftermarket barrels I was looking for heavier or more accurate, or both, so completely discounted the carbon wrapped units a-la VQ.

Cheers
Trev
 
Thanks for the heads up. In my case, speed of movement is more desireable than sub-MOA groups. I could even deal with 4MOA (even though I'd prefer 2). Some of these ultra-light barrels can save almost 2lbs compared to the stock barrel. However if they warp too much, forget about it.. And I wanna shoot my baby a bit before making a decision. Since my 10/22 will mostly be dealing with high sustained rate of fire, it looks like those things aren't the bees knees for my application.
 
I usually clean my rifles in 22lr, once or twice per year, so that would be a few thousand rounds between cleaning. I use a proper coated cleaning rod, and a bore guide , just as I would with my centerfires. If anyone was to attempt to use a bore snake on my Anschutz, or Cooper, they would have a fight on their hands.
 
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