Feature：

➤ Reinforced steel recoil spring delivers stronger and more consistent return force than stock.
➤ Improves cycling stability and helps reduce half-cycle issues in GBB rifles.
➤ Enhances recoil feedback for a more realistic and immersive shooting experience.
➤ Compatible with a wide range of WE and GHK GBB rifle platforms.
➤ Designed to integrate seamlessly with other Poseidon upgrade components.
➤ Includes spacers and washers for fine-tuning and optimal setup.