This replacement O-ring supports the internal components of the MAC-11 CO2 BB Gun by helping ensure a reliable seal.

As with any CO2-based system, maintaining a good seal is essential for consistent shooting performance. Ideal for users who want to keep their airgun in working condition.

Why choose this O-Ring?

• Manufactured by KWC
• Compatible with MAC-11 4.5mm BB Airguns
• Seals CO2 pathways to reduce leakage
• Helps extend operational life of the gun
• Useful for routine maintenance