The Real Deal Piston Head 5.0

The Real Deal Real Seal 

•  Re-designed with larger and more ports in efforts of reducing the Vacuum Effect in High Rate of Fire Builds  
• Aluminum construction with 10 ports to ensure proper O ring inflation
• New design uses super slick Viton O ring. This O ring has superior properties to the standard material O rings that come with most piston heads. You will not have to worry about losing the flair on your O ring. It's made of a stronger material that can really take a beating. Super High RPS builds will appreciate this O ring.
• Incredibly friction resistant as well as temperature resistant. Can be used in extremely Cold and Hot environments. 
• Ball bearing design to aid in smoothness of cycling With spring
• Comes with long  stainless steel set screw to ensure a tight fit.