Air Pistol refurbish

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  • teqmod

    redneck gun toting member
    Jan 14, 2013
    1,285
    Downey Oshunn
    I was going through an old box and came across an old Crosman MarkII airgun that has to be at least as old as I am. Does anyone have any info on these and/or know anyone who can refurbish such an item? Last I recall the seals and o-rings did not hold and leaked air pretty bad. That was over 15 years ago.

    Gratuitous pic :D

    p59apGq.jpg
     

    mdflyer

    Member
    Nov 19, 2015
    62
    I would love to have one of these if anyone ever want to let go of one. I've reworked and built from scratch a few CO2 and Pneumatic air guns. Archer Airguns might be able to help with seals.
     

    teqmod

    redneck gun toting member
    Jan 14, 2013
    1,285
    Downey Oshunn
    Airgunsmith is looking promising by their website. It looks like they will have a replacement cocking knob as well which is currently missing. I will have to check out the other two places recommended as well.
     

    6Den

    Active Member
    Feb 10, 2013
    835
    Howard County
    I have the same pistol and Airgunsmith did an excellent job refurbishing mine. I had forgotten how accurate it is, and I use it for indoor practice now. Very well worth getting fixed.

    If you decide not to fix it, I would buy it to fix it or use for parts.
     

    Dino

    Ultimate Member
    Sep 21, 2006
    1,006
    Beltsville, Md.
    I have an original Beeman Tempest that has some issues with accuracy.
    The gun has been well taken care. I recently replaced the seals and it has plenty of power. The accuracy just sucks.

    Is there anyone in Maryland (or anywhere else) that you can recommend?

     

    6Den

    Active Member
    Feb 10, 2013
    835
    Howard County
    I have an original Beeman Tempest that has some issues with accuracy.
    The gun has been well taken care. I recently replaced the seals and it has plenty of power. The accuracy just sucks.

    Is there anyone in Maryland (or anywhere else) that you can recommend?

    Nice pistol. Did you have accuracy issues from the beginning? Have you tried a variety of pellets? You might need to spring for some quality match pellets. Otherwise contact Beeman, they have excellent customer service.
     

    Dino

    Ultimate Member
    Sep 21, 2006
    1,006
    Beltsville, Md.
    Nice pistol. Did you have accuracy issues from the beginning? Have you tried a variety of pellets? You might need to spring for some quality match pellets. Otherwise contact Beeman, they have excellent customer service.

    I bought the gun used some time ago so I'm not sure if it's always had this issue or not. It has since I've owned it.

    I always use quality match pellets so i don't think that's the issue.
    I've tried contacting Beeman as well as other so-called "repair shops" but have yet to receive a response. Hence the post. :(
     

    6Den

    Active Member
    Feb 10, 2013
    835
    Howard County
    Sorry to hear that. It has been some years, but Beeman did a good job fixing a Feinwerkbau 124 for me. Your pistol might have damaged rifling. Airgun rifling is so delicate that it doesn't take much to damage them from improper cleaning. Not sure how difficult it would be to find a replacement barrel. Good luck.
     

    John from MD

    American Patriot
    MDS Supporter
    May 12, 2005
    22,641
    Socialist State of Maryland
    I was going through an old box and came across an old Crosman MarkII airgun that has to be at least as old as I am. Does anyone have any info on these and/or know anyone who can refurbish such an item? Last I recall the seals and o-rings did not hold and leaked air pretty bad. That was over 15 years ago.

    Gratuitous pic :D

    p59apGq.jpg

    I bought one of these in 1971. Wish I still had it. :sad20:

    I remember disassembling it and replacing some o rings myself and it worked out fine. They were in the grip where the CO2 cart gets pierced.

    You can get orings on line or at ACE hardware. I have rebuilt several of my pump and PCP guns and my PCP pump.
     

    fscwi

    Ultimate Member
    Feb 21, 2012
    1,536
    I just started a refurb project on one last weekend. It belonged to my FIL who bought it new. The youtube link below has the instructions for full strip down, he also has a separate video for putting it back together.

    https://www.youtube.com/watch?v=Dr4mFBn21u4

    I ordered the O ring replacement kit so will be replacing those. The finish was in rough shape so I stripped it off, still a few nooks and crannies to work on to get it completely clean. I'm not sure exactly what paint to use on it, still doing some research on a paint that would work well on metal.
     

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    John from MD

    American Patriot
    MDS Supporter
    May 12, 2005
    22,641
    Socialist State of Maryland
    Get engine paint from an auto store and bake it in a toaster oven and it will last forever. Many engine paints have a baking temp listed on the can. I use a cheap toaster oven from Walmart for baking painted parts and for baking powder coated bullets.
     

    Nay_sayer

    ...
    May 30, 2013
    601
    Lothian, MD
    +1 on the engine paint. I’d also recommend JG Airguns for parts for anybody reworking almost any airgun. They had everything including the lever that forces the pin to pierce the CO2 cartridge which was broken and missing when I rebuilt my MKII. http://jgairguns.biz/
     

    smdub

    Ultimate Member
    MDS Supporter
    Nov 14, 2012
    4,630
    MoCo
    Or buy a small bottle of cerakote and do it yourself if you have an airbrush.
     

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