As I understand it, overshot cards/wads help to create a seal for gas blowby which results in more consistent velocity/pressure and results in better accuracy...I would assume on conical loads it helps to protect the bullet base too? Am I missing anything about wads/overshot cards?
Is there any harm or danger (aside from a potential negative impact on accuracy) for putting an overshot card and/or wad on all BP loads? If I understand correctly what they do why not use them all the time (I guess for Minnie ball that would cause a problem as the wad or card could jam into the skirt)
Can I test with variables such as felt wad, over powder card, powdered fillers in the load stack to see what works best? Or is this futile. My goal is to get as good a seal behind that boolit as possible to eliminate variables in velocity and pressure...but not sure if I can try too much or too many variables and introduce additional accuracy sapping potential
Second question is loading procedure and bouncing the rod. I bounce the loading rod to ensure I have a slightly compressed load and no airspace. Wouldn't this deform the boolit? Does this effect accuracy?
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