They are not just for rim fires. Mine, over twenty years old, has lived on a springer air gun, a .22 LR, and on a .243 for lots of years. I recently removed it from the .243 in view of going back on a .22. Because of the difference in ocular bell size, I had to go higher rings to clear the bolt on the .243 with the new scope. I'm not sure I like that. A new 3-9 EFR may be in order.

Some folks fuss about the smaller ocular. I have never found it to be a problem when matched to the proper height rings.

Jack

"Do not blame Caesar, blame the people...who have...rejoiced in their loss of freedom....Blame the people who hail him when he speaks of the 'new, wonderful, good, society'...to mean ,..living fatly at the expense of the industrious." Cicero