GHK AK series blowback bolt
 

Shooting clip is here>>
GHK AK無射出物活塞 - YouTube


-- "GHK AK series blowback bolt" --

Model: AKM (2 years old, already shoot more than 30 thousand rounds)+GHK blowback bolt
Gas: Dinosaur
Temperature: 20 degree


What is Blowback Bolt?
Blowback bolt allow you to shooting need NO bb, but still have the power like real. It's really appropriate for users who prefer shooting in the room.
Never worry about having no place to enjoy the pleasure of shooting. =)