- Simple and easy to change CO2 Conversion upgrade kit

 - CNC made stainless Cylinder, 2 level power springs and a CNC made one-piece stainless butt-cap with firing pin

Would fit:
- A&K SVD Spring Cocking

- ARES ASG SVD Sniper Spring Rifle

- Cybergun Kalashnikov Sniper Rifle (Spring Cocking Version)

Would fit but need modification:
- AGM SVD Airsoft Springer Rifle