10" A5 Barrel - Dual Spiral Vented - Size:.690 Bore
$76.95
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Fits A5, X7, or Phenom Smooth Bore Brass, Black powder coat finish Standard venting is 2 spirals 3 inches long. Dual venting is 4 spirals 3 inches long. What does venting do The gas travels faster than the ball, thus knocking it off course when the ball exits the tip. Venting dissipates that blast behind the ball creating a less turbulent cylinder of gas. This helps keep the ball on course and reduces the report. Dual venting is a little quieter but is a less efficient than the single.
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