Trapshooter1 Posted March 7, 2009 Share Posted March 7, 2009 I recently purchased a Benelli supernova and it is shooting a little higher than I like. I know how to change out the shims but I have no idea what the letters mean. It comes with a b c & z shims. Since Ill be using this gun for mostly bird and trap shooting I want it so I can aim a little more under the target. I need to know which letter will allow me to shoot under the target the most. Quote Link to comment Share on other sites More sharing options...
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