Mechanism of ASK201:
* gearbox v.3 HYBRiD with quick change spring system (100% compatible with TM parts)
* 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 comes with:

• Replica (Controlled and Tested)
• 500rd Hi-Cap magazine
• Auction clean barrel
• Manual