I AM SHOOTING A 12 GA.WINCHESTER 1300 PUMP CANTILEVER RIFLED BARREL WITH 2 3/4" WINCHESTER PLATINUM TIP SLUGS WITH A SIMMONS FIXED 4X SHOTGUN SCOPE.I SEEM TO BE SHOOTING LOOSE GROUPS. I AM SURE THE PROBLEM IS ME AND NOT THE GUN. I WOULD APPRECIATE ANY SHOOTING FORM SUGGESTIONS OR TIPS ON GAINING MORE CONTROL OF THE GUN. I HATE TO SHOOT TOO MANY ROUNDS WHILE SIGHTING IN DUE TO THE HIGH COST OFTHE SLUGS ( $13.00 FOR FIVE).