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Systema New Bore Up Cylinder Set for AK

Systema New Bore Up Cylinder Set for AK ZA-03-04
Increased bore size means greater air capacity and volume for propelling the BB forward. This is a highly recommended upgrade for AEGs with lengthened barrels since you will need additional volume of air to propel the BB out of the longer barrel - to avoid back-pressure. These bore-up cylinders actually have the same external dimensions as a stock cylinder so they will fit into a standard gearbox.
ZA-03-04
  • For use withAK Series
  • Manufactured bySystema
Your Price $79.99
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This upgrade is awesome! It added 60 fps to my ICS AK-74. Adam Austin,Texas
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