Having owned and used loads of Leupold scopes....mainly competition series I can speak from my experience with them. I currently wn 2 completion series, a 45mag and a 40mag both with Mildot rets. As Rob says, the 45 is the best range finder with a narrow field of view...so if you struggle to obtain the target on high mag I would not recommend this one. Personally I prefer the 40mag...which again Rob has said is the best all rounder and he is right, they do take some getting used to, an a lot of FT shooters now opt for a smaler sidewheel so they snap in a bt better, I am currently using 75mm diameter wheels on mine and the gaps are still 10mm between 50 and 55. i used to ave a couple 20-50x50 which do come up for sale second hand now and then, so if you are used to adjusting the mag I would try for one of those. I also have Prem boosted MK4 at 32 mag which is a nice scope also. Best thing to do is look through a few before committing to buy as they are not cheap...around £850 for a Comp. Neil.
The Pope HW97 V-Mach. Gary Cane Laminate stock. Leupold Competition 40 mag Mildot.
The Smiler. Walther LGU. WE Laminate stock. Leupold Competition.
The Dark Destroyer. TX200 MK3. Leupold Competition 40 mag.
Pro-Sport. Warren Edwards Blue Laminate stock. Bushy 8-32x40.