CMYA INTERNAL CYLNDER UPGRADE SET (CYLINDER HEAD, NOZZLE, PISTON HEAD) GEL BALL BLASTER GUN

Cyma m4 gel ball blaster and WARINTREST GEARBOX

also fit FB 3.0s and ldt416 v2 gearboxs

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Metal Double oring nozzle

Metal Double oring cylinder head

Metal Piston Head

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