I have the same rifle, only mine is just the Stalker model. I have a Leupold VX-II 3-9x40 on top of mine. I thought about throwing one of my VX-III 4.5-14x40s on it for long range poking, but the way this rifle is shooting right now I don't want to mess with it. I shot my buck at a lasered 572 yards with that rifle last fall.
I think you will be very happy with your purchase!