CZW 9 FC
This is simple but efficient design, easy to manipulate weapon. It does utilize blowback action, the trigger mechanisms has an internal hammer.
Field stripping takes to a properly trained user not more but 5-10 seconds, no tools are needed.
The weapon can withstand even a very rough handling or drops on a hard surface. A mounting rail enables you to use different kinds of sights.
Primary purpose of this weapon is with civilian security services and as a training weapon for the beginners before they proceed to the high power weapons.
Video to downland to FULL HIGHT quality here (file MPG).