Prometheus EPSILON speed trigger set for m4 electric gun (black)

New amazing model made of CNC steel/aluminum
tempered process has been applied to longlast
inspired by the latest milspec and law enforcement trends
the upper and the lower portions can be separated and replaced with other color Epsilon triggers
standard trigger spring and original switch compatible
for g&g, g&p, Dytac, Bolt, Marui, ka aeg rifle guns