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The Airtech Studios True Centering Unit and Advanced Stabilizer O-ring set is a Hop-up stabilization set designed for Tokyo Marui NGRS 416 / 416C / 417 / M4 SOPMOD / SCAR hop-up chambers.
This set allows a full lock on the inner barrel and hop-up chamber to stabilize the hop system in order to prevent vibrational shifts on the Hop set-up. This will improve the overall consistency of the airsoft gun.
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Compatibility:
Includes: