Classic Army Spring Guide w/ Bearing For Version III

- To build a tight & durable gearbox
- This reinforced Spring Guide replace the original Stock Spring Guide of Airsoft AEG
- 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
- Backstop is specially equipped with Ball Bearing to prevent Spring Tension build-up during Full Auto Shooting Mode.
- It greatly reduces the risk of spring breakage
- Recommended to use Upgrade Spring along with the spring guide