Bore sight it first ...not too sure what a "rutger" is , but assuming it is a bolt action, it is a simple matter to remove the bolt and sight through the barrel at a distant (25 yds.)aiming point and, without moving the rifle, adjust the cross-hairs onto the aiming point .That way you will be very close to being on paper at 25 yds. Once you get a good sand-bagged group on your aiming point(at 25 yds.) you should(theoretically) be roughly 3 inches high at 100 yds. Shoot another group at 100 yds., adjust the scope as necessary and you should be good to go....at least the gun is shooting on target . Now all you gotta do is work on your shooting skills ...kneeling , sitting, standing, etc. shots.
Have fun .