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Old June 3, 2011, 11:29 PM   #39
zippy13
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Join Date: August 23, 2008
Location: SoCal
Posts: 6,400
There two types of wads, the hull's base wad (plastic or paper) and the component wad column (made up of the over powder wad, cushion and the shot cup). Yes, variations in the construction of the base wad and/or the over-powder wad can make a significant difference in pressure and velocity. Use the wad indicated in the recipe for the specific hull, or a replacement for that specific wad column. The package will have the wad number. Different numbered wads may look remarkable similar. Substituting hulls with different base wads or substituting (Federal-type for Winchester-type or Remington-type) wad columns will typically produce erratic results and should be avoided.
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