+ Robust slide and lower frame

High quality anti-oil rubber material

high quality models permit training under highly realistic conditions

Polymer Construction

MOUNTS SECURELY TO PICATINNY RIS

Speed Airsoft Tunable Trigger Blue HPA M4 Blade Compact + Robust slide and lowerThe new SPEED Airsoft HPA MOSFET M4 triggers released are designed to work with Polarstar HPA conversion systems. The SPEED HPA MOSFET M4 triggers incorporates dual adjustment set screws which will enable a trigger pull under 1mm with ease. The SPEED HPA MOSFET M4 triggers also includes a specially designed coil compression spring that reduces the pull tension, so players with the Polarstar systems can rip off lightning fast strings easily even in