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  Airsoft Gun Upgrade & Maintenance Parts » Airsoft Gun Internal Upgrade Parts » AEG Cylinder & Cylinder Heads » 04437 / ZS0339
Systema Non Bore Up AEG Cylinder Set for M4
Manufacturer: Systema
Internal Upgrade Kit Compression Version 2 Tokyo Marui ICS JG SRC Cyma Echo1 VFC G&G Classic Army Air Seal
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Systema Non Bore Up AEG Cylinder Set for M4
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Item Highlights:
  • Design: M4 Series
  • Metal / Polycarbonate Construction
  • Includes: One (1) Piston Head, Cylinder, Cylinder Head, Air Nozzle
  • Description
  • Specifications
  • Product Reviews
  • Questions & Answers

Non Bore up kits are designed to replace all of the air seal components in the gearbox in order to take full advantage of the spring's power. By reducing the amount of escaping air it effectively increases the amount of air propelling the BB, which in some cases can mean more FPS. Systema is and always has been a leader in airsoft engineering, and their upgrade parts, like this cylinder kit, is an excellent upgrade from stock components.

Manufacturer: Systema
Package includes: cylinder, cylinder head with O-ring, piston head with ball bearings, air seal nozzle.

This product was added to our catalog on Monday 10 November, 2008.
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