This uni-directional guide rod with locking power adjustment knob can be installed in your WE SCAR and PDW.
- Hexagon guide rod assure perfect line up of valve opening with magazine, which ensure shot to shot power.
- Locking power adjustment knob gives easy, user-adjustable fine tuning of power from 250fps to 550fps
- New material guide rod buffer ensure better durability
- The kit will provide the MOST stable performance to date. AWSS valve head and hex key NOT included in the kit.
Installation video can be viewed at manufacturer site, which is stated on product packaging after you receive it.