Retroarms Speed trigger type A for m4 electric gun (silver)

Replace model made of CNC aircraft aluminum
great resistance and cool design
inspired by the latest milspec and law enforcement trends
the real steel model has been adopted by the famous WARSPORT and SALIENT INT. m4 556 rifles
standard trigger spring and original switch compatible
for g&g, g&p, Dytac, Bolt, Marui, ka aeg etc...