Mechanism of ASK205A:
* gearbox v.3 HYBRiD with quick change spring system (100% compatible with TM parts)
* 310FPS
* polished and buffed surface skeleton of gearbox with corrosion protection
* steel gears
* 8mm steel sliding-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.