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Aug 06, 2022 - 12:08 AM
It depends on which exact version of the MP5K you have: https://polarstarairsoft.com/pages/he...
will the cyma umbrax work in an h and k mp5k? PolarStar JACK Nozzle | HPA Internal Upgrades
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Open May 08, 2023 - 11:29 PM
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PolarStar JACK Nozzle | HPA Internal Upgrades
PolarStar-JACK-NZ The PolarStar JACK Nozzle is an HPA nozzle made from a high quality delrin material for the PolarStar JACK so that you can retro fit your Jack into a an airsoft rifle. This nozzle is also available in the event you need to replace your damaged nozzle. System to be used on: Pol...
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