What do the hybrid electric airsoft guns make different from other type of airsoft guns?

Airsoft Gun Pellet
Hybrid electric airsoft guns use shell casing with a red primer on the back instead of the normal cylinder pellet. The shell casings are loaded into the magazine.
Firing Mechanism of the Hybrid Electric Airsoft Gun
Firing mechanism in the hybrid electric airsoft guns are similar to the real firearm. The firing pin is released when the trigger is pulled and hit the red primer on the back of the shell. A mini explosion creates high pressure inside the shell casing thrust the pellet through the barrel.
Ejected shell casing
After each shot, the shell casing are ejected out of the chamber. Looks like the real firearms.
Smoke effect
The explosion which is created when the trigger hit the red primer makes the smoke effect.
Sound effect
Additional effect from the explosion when the trigger is pulled is the sound effect.
Full blowback system
Hybrid electric airsoft guns are available for hybrid pistols, electric rifle guns and electric sniper rifle guns. Common manufactures which are producing widespread hybrid electric airsoft guns are Colt, KSC and Tokyo Marui.
Hybrid electric airsoft guns are most popular for a collector of airsoft guns and not popular for the airsoft players. Hybrid electric airsoft guns need more cost for the ammo and the time to prepare each round. These are the most disadvantages of hybrid electric airsoft guns.