The way I figure it, you already have the wraith, that's a good starter scope. If you get the spotter you don't have to shoulder your rifle so much and get wore out. I run a pulsar axion and it lets me cover a lot of ground quickly and easily. My brother runs a wraith and combined with a thermal...
Fingernail polish also works good for marking screws to make sure they're not backing out. Put a small blob on the screw and ring, after it dries if the screw backs out it will crack.