On 2014-01-20, willis wrote:
Interested in the magazines for .22 ruger pre 1971

You know that the current .22 Ruger Mark (II, III) magazines can
have the follower pin swapped to the other side to work in the Mark-I?
They have equal slots on both sides to allow this swapping. (I've done
just that with some of mine, as I currently have a Mark-I from the mid
1960s, and a much more recent Mark-II.

Look at the bottom of the magazine, and you will see a round
hole in the center of the rounded projection at the front. Depress a
pin in there and you can slide the base off, removing pressure from the
spring (work in a plastic bag, just in case you slip and the springs
launch. :-) Once the spring is relaxed, you can slide the follower down
to where the round hole is at the end of the slot, and swap the pin to
the other side. Then reassemble and you are done.

*And* -- the later magazines have the ability to easily hold 10
rounds, while the older one is designed to hold nine, though you can
force a final tenth round into it, but you slightly dent the side of the
9th round case.

I'm keeping my original magazines in case I sell the Mark-I
separately, so I can keep all of the new style for the Mark-II.

The parts list in the downloadable manual for the Mark-I
includes a replacement frame (the barrel assembly is counted as the
serial-numbered receiver on these) which will accept the newer style
magazines unmodified.

O.K. Not in the parts list on that manual (amazing how much the
manuals have grown with more safety warnings :-) -- so I must have found
it on the Ruger site instead.

But anyway -- you *can* use the new magazines with the simple
modification above.

Enjoy,
DoN.

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