ULTIMATE M135 Spring - Red Brand_Krytac The revolver ships with six

The revolver ships with six full-sized metal shells which are completely removable

Takes standard 12g CO2 capsules

Standard on/off switch on the right side of the body

Each shell holds a single BB

As this is a Marui pistol

ULTIMATE M135 Spring - Red Brand_Krytac The revolver ships with sixHigh quality spring from ULTIMATE. This is the Red M135 spring from ASG Military specification spring steel which means the best possible steel for springs. The calibration test has been carried out on 6. 03 300mm barrel. Zero hopup with 0. 20g BB's. Progressive coiling Provides a soft start which eases stress on both mechanical and electrical parts. Closed and grinded ends Stable straight ends minimizes side bending which reduce ROF loss. Pre