Performance Series - HP8 HIGH Pressure Piston (800-850psi) Scope Fine-tune the orientation of your

Fine-tune the orientation of your gauge and fill valve with the 360° rotational cap

Material: aircraft grade aluminum

Solid Polymer Construction: These BBs are extremely resistant to chipping or shattering

Constructed with dual-layered

Works with Tokyo Marui

Performance Series - HP8 HIGH Pressure Piston (800-850psi) Scope Fine-tune the orientation of yourUpgrade your HK Army Performance Series Regulator with the HP8 (High Pressure 800psi). 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