Silverback MDRX Piston Head O-ring (x5)

Keep your Silverback MDRX gearbox performing at its best with a dedicated O-ring set designed for the piston head. This pack provides five replacement seals crafted to restore proper compression and seal integrity, making maintenance straightforward for airsoft players and techs who care about reliability.

• Includes: 5 O-rings in a single pack, ready for replacement in routine maintenance or when seals wear
• Compatibility: Precisely sized to fit the Silverback MDRX piston head assembly for a secure seal and correct groove seating
• Durability: Made to resist compression set and maintain elasticity under cycling, helping to prevent air leaks over time
• Installation: Simple swap during gearbox service; no special tools required beyond standard maintenance procedures

By replacing worn or stretched seals with these O-rings, you improve air seal integrity, stabilize performance across cycling conditions, and extend the life of the MDRX piston head system. Ideal for ongoing maintenance, upgrades, or rebuilding sessions, it helps keep velocity and consistency predictable for field use or target practice.