Guarder full gearbox infinity for sr16/m4 fixed stock

Hi power kit included:
-enhanced Gearbox Ver.II
-switch assembly (fixed stock)
-infinity steel gear set
-special bore up cylinder kit
-polycarbonate piston
-anti-heat selector plate
-6mm steel bushing
-steel anti reversal latch
-steel enhanced cut-off lever
-ball bearings spring guide
-enhanced tappet
-shim set
-gearbox inside spring set
-steel trigger set
-safety cover
-teflon grease
spring is not included (max sp170)