| Availability: | In stock |
| Delivery time: | Standard DPD shipping |
Ergal spring guide for new generation
MARUI M4/TM416 SRE gear box (GM4S).
The shape of the rod makes it compatible with most of the springs on the market today.
The piece is in ergal anodized for 40 hard to ensure high performance and long life.
This spring guide increases the ball speed by 2/3 meters per second.
100% MADE IN ITALY