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Old April 3, 2013, 01:44 AM   #4
RMcL
Senior Member
 
Join Date: May 7, 2006
Location: Alabama
Posts: 165
Test your shotgun with several brands of slugs usiing your vent rib and bead.
If the ammo POI and your POA intersect - that is all you need. Your eye will naturally center that bead on a flat sight picture!
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