I sighted my wife's 20 ga.in with the Remington Premier Ultra Bonded Sabots and they are expensive but IMO they are worth every dime. I would definitely try them. I was shooting 3 shot groups at 50 yards that were about the size of a quarter.That was with a hastings barrel also. Here are the ballistics on that bullet:
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http://www.remington.com/ammo/shotshell/am_prsabotslug.htm
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