CowCow B01 Dynamic BlowBack Unit - Black

Hi-Capa Hub Ltd Verified independent store

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A great Blowback Unit, we have personally been running these for years. Unlike the B02 (Piston Head Version) these come with O-rings which are far easier to achieve good seals to y our nozzle. We use these with the AIP nozzles and work flawlessly Will fit 5.1 and 4.3 variants, includes 3 different size O-rings Don't forget to pick up some spare Nozzle Springs too, you will need them - trust me! Show more