Features:
Essential part for upgrading your airsoft electric gun AEG.
To build a tight & durable gearbox.
Replacement of gearbox internal springs.
Suitable for M4/M16 series airsoft electric gun (Version 2 gearbox).
This Set Includes: Tappet Spring, Safety Cover Spring, Cutoff Lever Spring, Switch Spring, Reversal Stop Latch Spring.
As always, upgrading AEG require necessary skill & technique to dissemble the gearbox, consult expertise if needed.