Fill Port Dust Guard for Huben GK1 Air Pistol

The Huben GK1 Fill Port Protector by Wolfiek Group is a 3D-printed dust guard that fits seamlessly into the gun, featuring an integrated drainage system and a 4 O-ring seal to protect against wear and leaks.

• The description claims the protector prevents wear and scratches on the port walls.
• The description claims the protector features an integrated drainage channel to prevent internal pressure buildup in case of leaks.