I just put a Leupold VXI 4-2x40 on the Vanguard my wife bought me for Xmas, it was $279.00 but that's a good deal for the kind of quality you get. My Leupold makes a few of my Bushnell's and Tasco's really look bad (literally) when you look through them in a side by side comparison. Good luck with your Vanguard, I'm going to the range with my new one tomorrow, it's a 257 Wthy Mag.