Metal barrel this is a 175mm barrel longer than the original gecko 148mm barrel. material: metal. color: bronze. size: 17.5cm . package: 1x inner barrel for gecko 1.0 or gecko 2.0.
Metal spring:
The spring for gecko can also fit for bj02 rhinoceros blaster. increase power and shooting range. material: piano wire. type: 10kg; 11.5kg
Metal Piston package: 1x long spring 1x short spring 1x nozzle o-ring 1x piston o-ring
