Perun ETU MOSFET for P90 Pistons & Piston Heads the Griffin Armament M4SD Hammer

the Griffin Armament M4SD Hammer Comp was built to last whilst ensuring maximum recoil control and muzzle movement

Specification Overall Length: 51

The energy that support the active brake function comes from the inertia of motor

Mock bolt catch for easy hopup adjustment

Lonex has some of the toughest and most precise after-market parts available

Perun ETU MOSFET for P90 Pistons & Piston Heads the Griffin Armament M4SD HammerP90 Perun for P90 replaces trigger bar and mechanical contacts in your P90 replica and provides lots of useful features. Magnetic sensors coupled with a magnet installed directly on the trigger, allow to remove the bar that connects trigger with the gearbox, making trigger pull much smoother. Proprietary cut off lever (comes with the mosfet) works with an optical sensor to eliminate all problems with single fire function. Replicas compatible with this