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

CNC Brass Threaded Slot Pin can be also easily removable for adjustment and maintenance

Pistol magazine pouches

Empty magazine detection

The KWA KM4A1 Carbine was the first production AEG engineered specifically for the unparalleled performance of today’s advanced battery technology – Lithium Polymer (LiPo)

EF Slick Silicon Spray Oil Shemagh You can quickly change andSilicon Oil Spray. great for lubrication the rubber seals on GBB pistols and rifles