FPS Softair Piston Head O-Ring Seal

If you're looking for a sturdy upgrade to your AEG, the FPS Softair Piston Head O-Ring Seal is a worthy contender. Constructed from high-density rubber for a superior seal to increase the reliable and lifespan of your rifle. This O-ring is likely to improve your air consistency, which may result in increased accuracy and is compatible with most piston heads.