Polarstar Kythera Nozzle 4 for G&G GR25 by Polarstar Hi Capa 5.1 Astina-passamano anteriore predisposto per

Astina-passamano anteriore predisposto per

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Collaboration Model AM

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with the stock

Polarstar Kythera Nozzle 4 for G&G GR25 by Polarstar Hi Capa 5.1 Astina-passamano anteriore predisposto perFor cylinder conversion systems Polastar assigns numbers to the nozzles instead of using the rifle model. This is because the nozzle length can vary between the same gun model when made by different manufacturers. This can be from the manufacturer designing the rifle differently, or from the thickness of the gearbox shell affecting how far from the hop up chamber the cylinder sits. Therefore one nozzle length may work in different rifle models but not