Modify Polycarbonate Piston (Full Teeth) tracer bb After the flash hider is

After the flash hider is screwed into place the barrel extension screws onto the threads on the outside of the flash hider

you can quickly change and adjust key functions of the engine via the on-board FCU (Fire Control Unit) which is no bigger than an AEG's MOSFET and can easily fit inside of a rifles battery compartment along with a small Li-po battery

their affordability separates them from the rest of the pack

The wire contains 45% ~ 50% pure silver

Lightweight 2oz

Modify Polycarbonate Piston (Full Teeth) tracer bb After the flash hider isSpecifications: Polycarbonate Construction With a Wear Resisting Alloy Steel Tooth Lightweight, Tough and Highly Durable TM AEG Compatible For All Type AEG's (Except PSG 1)