I have the same scope except a 40 and mine is hard to turn also. Sent it in a couple years ago for another issue and added the power ring also. Came back with main issue repaired and they sated they did a complete tune up but the power ring is still harder to turn than other leupolds I have.
Thought about putting a throw lever on it but don't think the ring has enough bite to grip the lever.
Last edited by DANNYL; 11/21/20.