AAP-01/C 160% NON-LINEAR PERFORMANCE SPRING (GERMAN PIANO WIRE)

Features : 
1. Increased bolt cycle speed.
2. The guide rod will not strike the bolt.
3. Improved balance to improve the ‘feel’ which gives a much smoother cyclic action.
4. Reduce recoil.
5. Smooth, consistent BB feeding.


Package Contents : 
160% Non-linear performance spring *1pcs