Performance Series - LP3 LOW Pressure Piston (250-300psi) gearbox -Flip-up front and rear iron

-Flip-up front and rear iron sights with a quick deploy mechanism allows for easier target acquisition

03mm polished tightbore inner barrel that enhances both range and accuracy

Has a great rate of fire and is a great pick for beginners and experienced players alike

and air tight

- Hardened pivot pin

Performance Series - LP3 LOW Pressure Piston (250-300psi) gearbox -Flip-up front and rear ironUpgrade your HK Army Performance Series Regulator with the LP3 (Low Pressure 300psi). 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