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This precision-engineered nozzle allows fine adjustments in length to match your cylinder head
and long-lasting durability for Airsoft AEG gearbox builds
Deans T-Plug (T-connector) for efficient power transfer
Easy and secure installation
4x Plastic spacers
RetroArms CNC Adjustable Air Seal Nozzle – 21mm to 23mm Piston Heads This precision-engineered nozzle allows finehe RetroArms CNC Adjustable Air Seal Nozzle (21mm23mm) is a game changing upgrade for advanced airsoft techs who demand perfect air seal tuning. This precision engineered nozzle allows fine adjustments in length to match your cylinder head, hop up chamber, and AEG platform, improving feeding reliability, compression, and FPS consistency. Crafted from CNC machined aluminum, this nozzle features a built in O ring and an internal spring loaded system