Feature：

➤ VSR10 45 degree piston.
➤ CNC machined aluminum piston.
➤ Two Delring rings to reduce friction.
➤ Two O-rings at the front to ensure a great seal.
➤ Silicone O-rings for optimum compression.
➤ Compatible for Marui Trigger Version.

➤ VSR10 90 degree piston.
➤ CNC machined aluminum piston.
➤ Two Delring rings to reduce friction.
➤ Two O-rings at the front to ensure a great seal.
➤ Silicone O-rings for optimum compression.
➤ For Zero Trigger Version.