I just picked up a Mossberg 185D-B bolt action. I cleaned it up as it was in poor condition. Before cleaning etc. Put 50 rounds of Winchester 2 3/4 1200 7/8 oz. 7 1/2 through it. Changed to Remington 7/8 oz. Slugger as a bet and put 20 rounds all within 15 inches on a door. All with no scope...