I'm considering Badger Ordnance scope mounts and rings for my Remington 700 LTR 308 LH & Leupold VX-III 4.5-14x40mm AO. The thing is, what's the difference between all the different mounts? Some say 20 MOA cant, 30 MOA cant, 45 MOA cant, zero cant, etc. I didn't see an explanation for any of...