Retroarms Tappet Plate Spring Set for M4/AK Series

The Retroarms tappet plate spring set lets you adjust the return of the tappet plate in the gearbox of your electric airsoft rifle. It includes three different stiffness levels so you can choose the right one for your replica configuration.

Features

• Metal construction
• Set with three stiffness levels: soft, medium and hard
• Compatible with M4/AK series electric rifles and compatible models