ensuring perfect alignment with hop-up

Titanium Pivot Pin for maximum strength and durability

Each barrel extension is constructed from high tensile strength aluminum and laser etched with trademarks

M4 Stock Adapter with Stock

enhance traction and secure gripUnique shapes

Speed Airsoft HPA M4 Standard Tunable Trigger purple p90 mag ensuring perfect alignment with hop-upThe 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