Service kit for GBB Glock

Maintain peak performance of your Umarex Glock 17 Gen5, 19X, or 45 with this comprehensive service kit. Engineered for gas blowback pistol owners, it delivers all critical wear components in one package: air nozzle, return spring, VFC hop-up rubber, hammer assembly, piston head, and disconnector with spring. Replace stressed parts systematically to ensure reliability and consistent operation during extended play sessions. Designed exclusively for Generation 5 models—verify compatibility before ordering.

The service kit includes these parts:

• Air nozzle and return spring 100%
• Hop-up rubber VFC
• Hammer
• Hammer spring
• Piston head
• Return spring of the hammer
• Disconnector and its spring

This set is intended only for Glock 17 and Glock 19X, Glock 45 Generation 5 models