The Silverback MDRX Replacement Pin/Spring Set (4x) is a genuine spare parts pack designed specifically for the Silverback MDRX platform. Whether you’re performing routine maintenance, rebuilding your gearbox, or simply keeping spares on hand, these pins are essential to keep your rifle functioning reliably.
Key Features
- Genuine Silverback component – exact fit and finish for MDRX rifles
- Complete assembly set – includes both MDR-9901 and MDR-9902 pin types (4 of each)
- Essential for gearbox work – required for disassembly and reassembly of MDRX internals
- Spare parts insurance – keep multiple sets for extended field use
- Affordable – budget-friendly way to maintain your investment
Real-World Use Cases
Airsoft skirmishers and milsim players who regularly field the MDRX will benefit from having spare pins on hand. If a pin bends or goes missing during a game day, you’ll have immediate replacements without interrupting your play. Likewise, if you’re upgrading your gearbox components or performing a full rebuild, having a complete set ensures you won’t delay the job halfway through.
Technical Specifications
- Compatibility: Silverback MDRX (MDR-9901 and MDR-9902 pins)
- Quantity: 4× MDR-9901 pins and 4× MDR-9902 pins (8 pins total)
- Type: Gearbox assembly pins/springs
- Manufacturer: Silverback
Compatibility & Upgrades
These pins are engineered specifically for the Silverback MDRX platform. If you own an MDRX, they’ll integrate seamlessly with your existing gearbox assembly. We recommend keeping at least one spare set if you regularly perform maintenance or anticipate heavy use.
UK Legal & Site Notes
Spare internal components are legal to own and transport in the UK with no restrictions. Many airsoft sites welcome players who maintain their own equipment—bring these spares to your next event as part of your toolkit.
Order your Silverback MDRX Replacement Pin/Spring Set (4x) from Airsoftdirect today and ensure you’re never caught without essential spares.




