Leupold has bought Redfield recently and I believe offers a line of Redfield scopes as well as their Leupold line up.

I do know that in the past Redfield had superb customer service. I have a Redfield 6x40 scope that crashed the crosshairs...sent it back to Redfield(Colorado at the time) and they sent me a brand-new one free of charge.

I'm not sure just how Redfield supports past products now as they changed hands a time or two before Leupold bought them...but it's worth a shot to call and ask.