Reinforced 5KU return spring guide for TM G17 Gen. 3/G18C GBB replicas

Reinforced return spring guide 5KU for TM G17 Gen. 3/G18C GBB replicas

Reinforced return spring guide from manufacturer 5KU for G17 3rd generation and G18 C version replicas.

Features:
- Made of metal
- Increased strength and durability
- Smooth operation of the entire system due to the use of Teflon
- Adjustable shock-absorbing buffer