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JVacation

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  1. Hey mate, Double check your motor orientation, flow of positive / negative from battery. Also check the AR latch.
  2. Wouldn't worry about it too much, Aslong as it sounds good the lube should be doing its job. Majority of stock guns are not greatly lubed from the factory however they are usually using a thick heavy grease and lots of it with the aim of trying to make it be as "long lasting" as possible. My advice is to only relube it when you are going to have to open the gearbox at some point.
  3. Most likely a bb blockage causing the piston to chew a little bit Is the Umarex the ones that are manufactured by VFC? if so the exterior wise you will struggle to find something as close to the real thing. Internals from VFC can always be a pain though
  4. You can also get mlock qd points, I always like a bit of cord or a zip tie myself though. Glad you enjoyed the gun!
  5. Remember that fps is not important, it's all about joules and if the weight is hoppable. Keep the gun stock for a month I would say when you want to make changes chuck in a ML Yellow and keep the stock barrel as you shouldn't need to trim the lip. After a while upgrade the barrel to a stainless steel one - ZCI are very good for the price however you will most likely need to trip the lip. To do this use a disposable razor, put it on a spare barrel and just take a tiny bit off each time. Make sure to do the drop test in the hop up frequently when shaving the material so you stop just as it let's the bb drop down into the hopup without getting caught.
  6. 0.25s will hop 100% - 0.28s are better and the go to but not 100% sure if they are hoppable with the stock rubber - I am currently running 0.25s despite having a ML Yellow ZCI barrel because the site I went to that was all they had... It's also important to know what type of site you go to. 0.28s are usually better outside and for distance however in cqb you will be suprised how well a 0.20 can perform If you want to upgrade or anything in the future let us know.
  7. You will be happy with it! I am thinking about putting an longer innerbarrel in mine soon and covering it with a either a new handguard or suppressor
  8. THIS ADVERT IS 'UNCOMPLETED' - THIS MEANS THE ADVERTISER HASN'T BUMPED THIS LISTING, BUT IT COULD STILL BE WORTH CONTACTING THEM.

    • Wanted
    • As new

    Hello, Looking for a Polarstar Jack or Wolverine Engine for V2 gearbox. Let me know what you have!

    NO VALUE SPECIFIED

    , Warwickshire - GB

  9. @RostokMcSpoons Bit of a guide for the different types of DE M90: 4 is polymer 6 is metal with a forged style body 7 is metal with a milled style body 8 is a different more TM spec body with a Geissele style handguard and a different stock For the M904s: The length varies with the letter A-D have metal handguards E, F and H have M4 stocks G, L and R have the PDW style stock. R and H have suppressors. G and E have different grips from the rest.
  10. Just had a look and it does seem like it has the same issue as you have mentioned. Fatboy40 says it shouldn't cause any issues and hasn't had any. I would however recommend going for a new barrel. @ak2m4 have maple leaf barrels which should be the best possible fit for the rubber and he might have some more zci barrels soon which are cheaper and may have a tiny bit better performance than the ML ones. I've done a lot of testing with my m904 and finally have it to where I want it. Recently I found a bit of an air leak between my zci hopup and the casing which swapping back to the stock one eliminated and boosted my fps.
  11. Have you tested the gun with it fully built? It may not be a huge issue. I am running a zci 229mm which seems to be fine however the lips need trimming for reliable feeding. It is also possible your hopup rubber is a anomaly and is a bit different to the rest.
  12. Did someone say DE M904 and keep the extra £300?
  13. THIS ADVERT IS 'UNCOMPLETED' - THIS MEANS THE ADVERTISER HASN'T BUMPED THIS LISTING, BUT IT COULD STILL BE WORTH CONTACTING THEM.

    • Wanted
    • Used or as new

    Looking for a HPA gun or engine. Used or new. Wanting to give HPA a go so thought this would be the best way to go about it. Let me know what you have got and how much you are looking for it. Thank you

    NO VALUE SPECIFIED

    , Warwickshire - GB

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