Have you considered stippling your 22's frame?
I prefer the RTF2's myself, and have a couple. The closest Ive come to them with my other Glocks that dont have the RTF2, has been to stipple them.
"If the rule you followed brought you to this,
of what use was the rule?"
“The enemy is anybody who's going to get you killed, no matter which side he is on.” - Joseph Heller