I have a 3-9x36 on my .50 cal muzzleloader that adjusted fine while dialing my load in. They aren't built for turret twisting but it has held zero fine for me on my light CVA muzzleloader with a bunch of max loads of BH209. Great glass and incredibly light.

-Matt

"The proof of the whisky is in the drinking, the proof of the rifle is in the shooting."