Best hop up rubber for Magpul PTS masada

Discussion in 'Electric Guns' started by emilio carrillo, May 28, 2019.

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  1. emilio carrillo

    emilio carrillo New Member

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    I have the wii tech hop up chamber, rubber bucking, tensioner and knub, im having inconsistent fps with .30 bbs, 2 or 3 shots of 350 fps, later 370-380 fps, and a few 406-410 fps shots.

    Wich hop up bucking is better is the best? or i have another problem that is not hop up rubber?
     
  2. Guges Mk3

    Guges Mk3 Well-Known Member Supporting Member Lifetime Supporter

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    No such thing as the "best". A host of factors can affect performance. It's not a one part change in most cases.

    Have you cleaned you hop-up packing (what you call the "bucking") recently? Oil on the packing can affect fps.
     

  3. emilio carrillo

    emilio carrillo New Member

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    well, i never put oil to the packing, in fact I have not cleaned it, I only install it in the barrel, but in general the hop up chamber is clean
     
  4. Guges Mk3

    Guges Mk3 Well-Known Member Supporting Member Lifetime Supporter

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    If you have never cleaned it...how do you know that a dirty barrel now may be an issue.

    These things don't come clean from the factory.

    Take alcohol and swab it until there is no more black coming out.
     
  5. emilio carrillo

    emilio carrillo New Member

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    the barrel itself i cleaned it a few months ago, i fielded the rifle 3 to 4 times, the rubber was what I did not clean when I installed it because it seemed clean, I'll clean it to see if it improves