CowCow AAP-01 Aluminum Guide Rod Set

- 6061 Aluminum material with CNC machined
- 2 Aluminium buffers for modification to shorten the cycling
- Include Enhance 150% Recoil Spring
- Enhance the reaction force to speed up the blowback cycle
- Weight 5g
-NOTE: As always, upgrading GBB require necessary skill & technique, consult expertise if needed