Recoil Master Set
Dynamic Precision Enhanced Recoil Spring Kit to suit most TM/WE spec Hi-Capa 4.3/5.1 GBB devices.
Non-Linear Spring Design.
Made of High Strength Spring Steel.
Designed to increase Recoil, and improve Cycling Efficiency.
Exactly what it says on the bag. Well made, top quality springs. Service is second to none. Highly recommend 👌