Primary Airsoft SMC9/GTP9 HPA M4 Adapter 416A5 and the hinged receiver cover

and the hinged receiver cover is also steel with an aluminum rail to ensure no shift in zero for attached optics

The new built-in Digital Fire Control System ensures immediate and crisp trigger response and has an easily programmable semi

ANSI Z87+ High-Velocity Rating (Stop Steel Ball at 150fps)

The EG18X uses our Wire Pull®  ignition system

Lightweight Design

Primary Airsoft SMC9/GTP9 HPA M4 Adapter 416A5 and the hinged receiver coverAdapter comes with GTP9 magazine installed. This is a custom designed laser sintered nylon adapter that allows you to use HPA (high pressure air) and M4 AEG magazines on your Gtp airsoft GBB pistol or SMC9 GBBR. To use it you will also need an M4 AEG magazine, paintball tank with low pressure regulator (0 140) psi, a hose with a Foster (polarstar) quick disconnect and of course bbs. The normal operating pressure for green gas is roughly 120 psi