Performance Series - MP5 MID Pressure Piston (450-550psi) Buffer Tube introducing the “Bank Saver” the

introducing the “Bank Saver” the first professionally built and tuned HPA rifle to drop below $450 in the Airsoft market

Installation is quick and simple

Built to meet strict regulatory standards

Choose the standard outer barrel configuration with a 200mm inner barrel for a more traditional setup

Performance Series - MP5 MID Pressure Piston (450-550psi) Buffer Tube introducing the “Bank Saver” theUpgrade your HK Army Performance Series Regulator with the MP5 (Mid Pressure 500psi). Piston. These pistons come equipped with Belleville Shim Stack, designed for precision and ease of use. This innovative component allows you to adjust the output pressure of your regulator quickly and efficiently without needing to purchase an entirely new regulator unit. Simply pull out the entire shim stack unit and drop it into your regulator for seamless