CowCow Tech Marui G17 Gen5 GBB Spring Set.

TM G17 Gen5 Spring Set

Highlighted features

Made from High Strength Spring Steel

Hard Coating Prevents Corrosion

Enhances Blowback Kick

Spring Set, Includes 120% Nozzle Spring and 120% Hammer Spring

For TM G17 Gen5

The package included as below: GBB 9-7 GBB 12-8 GBB 12-9 GBB 12-41 GBB 12-43 GBB 12-47 GBB 12-51 GBB 12-54 GBB 12-58 GBB 12-60 GBB 12-61