ASG ULTIMATE Piston head O-ring, hollow, 5 pcs.

For Version 6. (Thompson & P90 etc)The Ultimate Upgrade Series cylinder head have been CNC manufactured in machine-aluminium and thereafter anodiz...

The POM piston head have built-in pressure bearings to reduce friction from the spring. The piston head are ventilated making sure that the rubber sea...

Enhance your AEG with this high performance Cylinder HeadThe ULTIMATE® Upgrade Series Cylinder Head is CNC manufactured in machine grade aluminium and...

Piston with 14 steel teeth.

ASG Ultimate Cylinder The cylinder is made of steel and have been surface treated to ensure low friction and high durability. The placement and size o...

For V7 Gearbox (M14)The Ultimate Upgrade Series cylinder head have been CNC manufactured in machine-aluminium and thereafter anodized with a colour co...

The ULTIMATE extreme performance piston made of a 50% stronger polycarbonate resin, with embedded steel teeth specifically designed for high-speed tun...

SHS - 15 Tooth Poly Carbonate Piston 7 Metal Teeth.Ideal for replacement or upgrade, suitable for all version gearboxes exc G&G / ICS L85 & TM...

The ULTIMATE extreme performance helical piston made of a 50% stronger polycarbonate resin, with embedded steel teeth specifically designed to work wi...

The polycarbonate piston head have built-in pressure bearings to reduce friction from the spring. The piston head are ventilated making sure that the ...

The  ULTIMATE® Upgrade Series Piston Head from ActionSportGames is perfect for high performance airsoft builds where a robust and effective airseal is...

For Version 3 (Offset Nozzle)The Ultimate Upgrade Series cylinder head have been CNC manufactured in machine-aluminium and thereafter anodized with a ...

The cylinder is made of steel and have been surface treated to ensure low friction and high durability. The placement and size of the decompression ho...

ASG Ultimate Cyclinder. Ideal for EVO, MP5K etcThe cylinder is made of steel and have been surface treated to ensure low friction and high durability....

Quality O-rings for the piston head. Ensures a tight seal in the cylinder.