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View larger AirsoftPro replacement O-ring for NBU nozzle is a set of 2 sealing O-rings designed to restore proper sealing of New Bore-Up (NBU) nozzles in AEG airsoft guns. A worn or damaged seal can cause air leakage between the nozzle and cylinder head, resulting in inconsistent performance. These O-rings are a practical spare part for routine maintenance and servicing of the air system.

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ASPRO108
AirsoftPro replacement O-ring for NBU piston head is a set of 2 sealing O-rings designed to restore proper sealing of New Bore-Up (NBU) piston heads in AEG airsoft guns. A worn or damaged seal can cause compression loss and inconsistent performance. These O-rings are a practical spare part for routine maintenance and servicing of the air system.
AirsoftPro replacement O-rings are designed to replace worn seals inside New Bore-Up nozzles. A properly sealing O-ring helps maintain optimal air compression and contributes to stable, consistent gun performance. The O-rings are compatible with New Bore-Up nozzles and are ideal for routine maintenance or air system repairs. The package includes 2 O-rings for immediate replacement and as a spare. Not compatible with standard AEG nozzles – for NBU types only.
Helps restore the seal of the NBU nozzle and reduce compression loss caused by a worn O-ring.
Designed for New Bore-Up nozzles used in AEG airsoft gun air systems.
A properly sealing O-ring helps maintain consistent compression and stable performance during shooting.
Suitable for routine air system maintenance without requiring any special modifications.
Includes 2 O-rings, so you'll always have a spare seal available for future maintenance.
| Variants | NBU |
| Color | Red |
| Počet kusů v balení | 2 |