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Thread: Beware of lubricating your rifle action!

  1. #1
    Protea FT Team '07/'08/'09/'10/'11/'12/'13
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    Default Beware of lubricating your rifle action!

    I thought that I will oil my Walther action the other day, to make it nice and smooth (rifle actions need to be lubricated). I knew that I need to stay clear of the pressure pot, and regulator, so I just oiled the striker, trigger mechanism and all the moving parts in the action that I could see.

    No problem, it felt smooth, but after about 20 shots, the POI dropped so much that I continually missed the kill zone on 50m, and even at 30m.
    I took out my chrony, and discovered that my velocity has dropped by 60ft/sec. It was allso not very constant, with big variations. Up to 50 ft/sec inbetween shots.

    The only explanation that I have is that the oil made the striker and plunger open and close quicker due to less friction, letting in less air, thus the drop in velocity.

    After open heart surgery, and getting rid of all the oil, it is back to its former good manners with good concistancy between shots.

    So to all your aspiring young gunsmiths out there, BEWARE dont oil your PCP's actions
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  2. #2
    Sharp Shooter

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    The oil creates drag on the hammer and reduces fps. Except for the inconsistency from shot to shot you will also find change with temperature.

    You can oil the bolt/loading mechanishm but keep the hammer and hammer guide free of oil. This must run dry!
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  3. #3
    Marksman
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    rather use a very light machine grease....NEVER oil...never silicone grease either on metal to metal surfaces
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  4. #4
    Sharp Shooter
    Doctor BAM

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    guido

    My favourite lubricant lately is graphite powder which is also doing the trick.... It creates a very smooth sliding cycle on the moving parts and will not attract dust or grit like grease....
    I wanted to buy it in a small quantity a while ago, but ended paying ~R 30 for half a kilogram......!!!! This is enough lubrication for all PCP's and most air rifles in South Africa for the next five years....!!!
    Please shout if you need any of this versatile lubricant....!! It is generally used as lubricant in all locks and tumbler areas where little drag is needed......
    If you need more direct lubrication, it can be mixed into your light machine grease the way Rich of the Yellow Forum explained it some time ago......

    Malan
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  5. #5
    Marksman
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    Thx Malan

    I also use a very dry molybdenum graphite mix for stuff like bolt actions etc...
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  6. #6
    Inactive Member

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    Piet , I have taken the liberty of borrowing your warning and put it on Air Arms owners site .

    May your misfortune stop some other person from doing the same !

    I must admit , there are times I am tempted into putting a bit of oil here and there , " its metal to metal" .

    Reading this makes me keep my grubby little paws out of the works .

    If it aint broke , dont fix it !
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  7. #7
    Inactive Member

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    never lub my talon and glock...
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  8. #8
    Protea FT Team '07/'08/'09/'10/'11/'12/'13
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    Gerry, feel free to use it. Thats why I initialised this thread, to warn other "would be gunsmiths" like me not to try it.

    Luckilly I noticed the problems it causes before the provincial this coming weekend.

    It was nerve wrecking to strip the Walther for the first time, and so close to our Nationals.
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  9. #9
    Protea FT Team '12/'16/'17

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    as far as i am concerned i am to scared to even take me gun out of the stock never mind remove the trigger stuff.
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  10. #10
    Protea FT Team '08

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    TD dont be chicken.Bring it to me I will tune it so that it runs like a childs nose in winter.
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  11. #11
    Protea FT Team '12/'16/'17

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    LOL
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  12. #12
    Protea FT Team '07/'08/'09/'10/'11/'12/'13
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    Oh!.......is that what you've done to the EV!

    Reset everything Allan, cos its not working
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  13. #13
    Protea FT Team '08

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    [quote1176482143=Piet Skiet]
    Oh!.......is that what you've done to the EV!

    Reset everything Allan, cos its not working

    [/quote1176482143]
    The day a Dommie has something good to say about an EV it WILL snow
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  14. #14
    Protea FT Team '07/'08/'09/'10/'11/'12/'13
    National FT Champ '09/'13

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    Allan, take your snow gear allong tommorow, cos I smaak a EV stukkend, its just the owners of them that I have a problem with....he...he...he
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