NUPROL – Metal Vented Bearing Piston Head
Aluminum-based piston head Front with vents is intended to ihttps://onlyairsoft.com/wp-content/uploads/2023/10/blog-6.jpgrove air sealing when moving forward and lessen friction when travelling backward. By enabling the spring to travel freely, the ball bearing assembly on the back helps to lessen strain on the spring. Maximum air seal is ensured by dual o-rings.