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Old July 8, 2013, 02:05 PM   #3
Picher
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Join Date: December 14, 2004
Location: Maine
Posts: 3,694
I wasn't considering barrel vibration which is pretty much a constant for a particular load, regardless of hold. Any irregularities in movement of the rifle from ignition to the time the bullet leaves the barrel will cause deviation. Such movements, that include shooter movement or recoil-induced variations, due to hold, rest, etc. will affect POI.

The shorter the barrel time, and recoil-induced motion, the less any inconsistencies in hold and movement will affect a shot.
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