Mechanism of ASK209:
* gearbox v.3 HYBRiD with quick change spring system (100% compatible with TM parts)
* spring 100 m/s (330 fps)
* polished and buffed surface skeleton of gearbox with corrosion protection
* steel gears
* 8mm steel bearing
* bearing directional piston head
* cylinder type 1 with hole
* sealed aluminum nozzle
* bearing spring guide has 4 locking legs instead of 2 which extra secure spring while shooting
* electric blow back
* the replica has 6.03mm Stainless steel inner barrel mounted.
Set include:
* replica of AK74 Tactical
* Hi-Cap magazine (500rd)
* This replica have two tamiya connect one in the stock tube and the second under the top cover.