Catalog entry
Maxx Model Double O-Ring Aluminum Piston Head
AEG Parts - Internal
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The Maxx Model Double O-Ring Aluminum Piston Head and bearing. Fits airsoft M4 AEGs and ALL other gearbox version (all versions) guns. Double rubber o-ring for tighter seal and compression. An excellent high quality piston head for upgrades. High quality aluminum red for durability.
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