Performance Series - HP8 HIGH Pressure Piston (800-850psi) f1 this adapter uses the clamping

this adapter uses the clamping force of Picatinny attachments to clamp on anywhere on your upper

Note: These BBs are not biodegradable

EMG strives to make sure each firearm is true-to-spec in form and function as possible

Magazine Capacity: 28 Rds

Targeted mesh points keeps you cool

Performance Series - HP8 HIGH Pressure Piston (800-850psi) f1 this adapter uses the clampingUpgrade 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