The Classic Army Cylinder Set for the AUG has all the necessary parts to upgrade or replace the cylinder assembly of a AUG gearbox. The Cylinder Set includes a cylinder head, air seal nozzle, piston head, and cylinder. The CA series of upgrade parts are made specifically for the Classic Army AEGs, it may be compatible with other brands of AEG but cannot be guaranteed by Airsoft GI. You can expect the same level of quality from these parts as Guarder and Systema parts for a fraction of the price.
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