MMC and Pachmeyer used to make adjustable rear sights that fit on a Ruger MKII with a standard barrel. The front sight did not have to be changed. I don't think either one is now available. I was wondering if anyone had tried these and how good they were? PSI has them for about $65.00 and postage. I think these are the same ones that used to be sold under the Mec Gar brand and Natchez Shooter Supply used to carry them.
LPA/PSI SIGHTS----- RUGER MK II (Standard barrel)------TPU22RG
Here's what they look like:
http://www.precisionsalesintl.com/tpu.html
Adjustable rear sights-Ruger MKII Standard Barrel
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