I doubt that .001 would cause a problem. Would be interesting to check the bore diameter of 10 22mag barrels and 10 22lr barrels of any manufacturer.
What to do with this Model 63? UPDATED WITH RESULTS OF REAM JOB.
- Thread starter sigp220.45
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I doubt that .001 would cause a problem. Would be interesting to check the bore diameter of 10 22mag barrels and 10 22lr barrels of any manufacturer.
max503
Member
My old S&W Model 34 has very tight cylinders. I'm wondering if it would help to run a 22 Long Rifle Reamer through them?
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Give Randy a pat on the head from all of us dog lovers on the forum!
And congratulations on fixing the problem with your cylinder.
And congratulations on fixing the problem with your cylinder.
It's not an issue of "should not shoot", it's an issue of accuracy deterioration.
The groove diameter is what should be checked which are the measurements CAJUNLAWYER lists above; although for standard .22s the .223" is actually .222". The bore (lands) diameter is 0.217".
Cal44
Member
There is a youtube video where a guy shoots 22LR in a convertible (22LR, 22WMR) revolver that came with two cylinders.
He saw a reduction in velocity of more than 300FPS (if I recall correctly) when he compared shooting LR from the WMR cylinder vs LR from the LR cylinder in the same revolver.
I'm think you are losing a lot of pressure from the undersized cases, at least for a short period until the LR case bulges enough to fill the chamber diameter.
So that's another issue along with accuracy deterioration.
The 22LR and the 22Mag both run approx 24K PSI max chamber pressure.
Chambering & shooting the 22Mag down a 22LR spec bbl isn't something most factorys would do these days due to the dimension differences whatever small the difference, liability lawyers will just tell them not to.
Most every 22/22MAG conversion revolver uses a 22Mag dim bbl on the frame and supplied 2 separate cylinders to keep everyone happy.
In this case, the cyl gap will alleviate any pressure build-up as the very slightly oversize 22Mag bullet enters the .22LR sized bbl.
I really doubt it would make much difference in a closed system like a rifle as the Mag bullets though jacketed are so thinly encased that they quickly and easily swage down to the needed bore and groove size.
But that's just my opinion of course.
Anyway,,nice save on the cylinder and the revolver.
Someone probably got a bit carried away with a soft polishing fob and a Demel in those chambers.
Does (Popeye) Doyle sort & read the daily mail as well?
Chambering & shooting the 22Mag down a 22LR spec bbl isn't something most factorys would do these days due to the dimension differences whatever small the difference, liability lawyers will just tell them not to.
Most every 22/22MAG conversion revolver uses a 22Mag dim bbl on the frame and supplied 2 separate cylinders to keep everyone happy.
In this case, the cyl gap will alleviate any pressure build-up as the very slightly oversize 22Mag bullet enters the .22LR sized bbl.
I really doubt it would make much difference in a closed system like a rifle as the Mag bullets though jacketed are so thinly encased that they quickly and easily swage down to the needed bore and groove size.
But that's just my opinion of course.
Anyway,,nice save on the cylinder and the revolver.
Someone probably got a bit carried away with a soft polishing fob and a Demel in those chambers.
Does (Popeye) Doyle sort & read the daily mail as well?
By the way, this week I shot some brass case 22s out of my 63. Had to push the ejector rod on the bench to get them to eject. Tried nickel plated brass and they came out readily without sticking.
Robert
Robert
Nickel plated brass is stronger than just brass so doesn't expand as much.
I have cured a couple of K-22's sticky extraction by cleaning the chambers with patches cut from a lead wipe-away cloth. I couldn't believe the amount of "crud" that came out of with those patches. I used several patches per chamber and followed them up with a regular cleaning patch and solvent.
Loaded cases drop right in now. Empties pop out with no more than a tap on the ejector rod.
It's easy and a lot cheaper than anything involving special tools, extra cylinders, and gunsmiths. If it doesn't work, you're out of one lead wipe-away cloth. And not a whole one of them.
Loaded cases drop right in now. Empties pop out with no more than a tap on the ejector rod.
It's easy and a lot cheaper than anything involving special tools, extra cylinders, and gunsmiths. If it doesn't work, you're out of one lead wipe-away cloth. And not a whole one of them.
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