SHS Aluminum Spring Guide for Version 3 Gearbox

Features: This Spring Guide replace the original Stock Spring Guide of Airsoft AK AEG Full Aluminum Construction This spring guide with Ball Bearing is designed to minimize the load for the motor caused by the spring tension Especially important for upgraded AEG to install this It also makes spring effectively spring back during Full Auto Shooting Mode. It greatly reduces the risk of spring breakage Suitable for Airsoft Electric Gun AEG Gearbox Version 3 Gearbox. Recommended to use inline with Upgrade Spring