Prometheus EG Hard Gearbox Shell V2 (6mm) Power-(fps)_440 3 different weight of recoil

3 different weight of recoil springs for precise calibration

Type C Style

and even Competition Shooters

Sight can still be folded with either large or small aperture in position

Prometheus EG Hard Gearbox Shell V2 (6mm) Power-(fps)_440 3 different weight of recoilPrometheus EG Hard Gearbox Shell V2 (6mm) The 6mm gearbox shell is a critically acclaimed upgrade part that reinforced the shell and allows for ideal teching of an AEG gearbox. Robust Metal Materials and easily identifiable part positions are printed to the outer casing of the shell which allows the user to quickly see what is compatible and needed to optimize the internals of your AEG. Each section of the shell itself is removable and workable