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Mk2 Tx200 Refurb & Tune Progress Thread

Discussion in 'Technical' started by MrBadger, May 19, 2021.

  1. MrBadger

    MrBadger Busy Member

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    Hi peeps,

    I have acquired a mk2 TX full length:cool:, which having previously owned an HC I had assumed would be female unf threaded.
    Wrong!
    What are my options? I take it threading the weight/end block jobbie is one route, but as I am a magpie, thinking maybe there exist some brass / bling replacement muzzle weight/end block (what is this called?!) that might already have the required thread?
    I have done a cursory search but not found owt, but may well have missed info already discussed on this.
    I am already struggling to keep the mindset of ‘just a gun to keep at the farm’..... :D
    TIA
     
    Accstu likes this.
  2. robs5230

    robs5230 Oversprung

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    I reckon you'd devalue a mk2 by altering the muzzle assembly.
    My experience is that although a moderator undeniably reduces muzzle crack, the unmoderated crack from a springer doesnt seem to disturb quarry unduly. So the benefit of a mod, is for the shooter primarily

    if however, you are hell bent on changing it, I'd give @Nick Simmons a shout
     
    cloverleaf, shergar and MrBadger like this.
  3. hmangphilly

    hmangphilly Big Poster

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    wasn't @shauny making nice barrel end wotsits . He could deffo put a thread on one of those .
     
    shauny likes this.
  4. MrBadger

    MrBadger Busy Member

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    Thanks for this.
    My concern is as much around spooking the horses as anything, but they may just have to get used to it! Agree on not so much devaluing, but maybe disrespecting such a gun :thumb:

    I’ve managed to get the muzzle jobby and under lever catch block off, and see the barrel is threaded (not unf, believe M14xsomething) but also is considerably shorter than the under lever, so wouldnae work without butchering that too, which is too brutal for this gun.
    1621507228380.jpg

    The under lever seems to have been sprayed Matt black, yet beneath looks like copper, possibly weirdly rusty steel?! Either wa6 definitely not blued and doesn’t look original. Also has a cocking aid literally hammered onto it.... this should be fun
    1621507228400.jpg
     
    robs5230 likes this.
  5. MrBadger

    MrBadger Busy Member

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    Will have a look and see if I can find said wotsits, thanks!
    As in the pics, it’s a bit of a state, and maybe just remaking the whole end assembly and catch in a nicer lump of something (that could maybe be threaded with an insert) would be a better/more sympathetic approach ... hmmmm
     
  6. rockdrill

    rockdrill Engaging Member

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    The Mk1 and Mk2 TX muzzle pieces have a chamber that acts as a simple silencer to reduce the muzzle noise to a degree.

    I would be inclined to get the gun refinished by someone such as Paul Chell and give the action a good service, it should be fine for your intended purpose.

    When running smoothly they are not overly noisy, although from the shooters perspective they sound louder than hearing them from a few feet away.
     
  7. Super-20

    Super-20 Posting Addict

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    Just a musing on this one and it is just a thought mind

    Weihrauch do a slip on / over moderator for the 77 with a notch out for the front sight blade.

    If your dead set on fitting a silencer could one of our resident moderator maestros make an upside down one if you will .

    Slips onto the existing muzzle weight but with a notch out for the underlever catch block.

    Maybe possible :thumb:
     
    Byronic and MrBadger like this.
  8. Brother Caleb

    Brother Caleb You have been judged and found unworthy!

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    Deffo worth getting it Chell'ed He did mine and it is absolutely cracking, and totally agree with @rockdrill that a silencer is a waste of time.
     
    MrBadger likes this.
  9. MrBadger

    MrBadger Busy Member

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    I’ll get it back together and see how it’s doing on the chrono and then do some down range listening. Sounds like I might be worrying about muzzle crack unnecessarily.

    I’d love to get it reblued and fully restored, but trying to keep it on budget and getting the stock in a useable state is first priority.

    But the voices in my head are loud. And they shout “spank cash on it!”
     
  10. MrBadger

    MrBadger Busy Member

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    Well, it’s definitely not short on power.... but smelled dieselly and figured it has likely not been used for ages. Power dropped after half a dozen shots, so stripped it quickly and there is a lot of grease pretty much everywhere, so will clean it all off tomorrow and rebuild and retest.

    Looks to have a spare power washer I can remove if the output doesn’t get down enough on its own.

    I concede on the silencer point, as even in my enclosed bare brick garage it was only really action noise I was picking up :thumb:
     
  11. hmangphilly

    hmangphilly Big Poster

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    Interesting .
    I've asked about silencers on springers too .

    Some owners are adamant they work .
     
  12. Nords

    Nords Thermal Fiend

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    I think they do a little, but not as much as a PCP obviously...
     
  13. rockdrill

    rockdrill Engaging Member

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    It varies from gun to gun, short barrelled rifles can be a bit more noisy at the muzzle and a silencer knocks that back a fair bit.

    A lot of longer barrelled springers seem to be quieter, so a silencer has less noticeable effect.
     
  14. hmangphilly

    hmangphilly Big Poster

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    ha ha .
    That's amazing .
    Has someone replaced the cocking lever with a lump of copper pipe ? Don't worry about it , it's probably stronger than some of the flimsy steel on one ive got here .

    you got a plan for this gun yet Mr Drill ?
     
  15. MrBadger

    MrBadger Busy Member

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    I used to have one on my old .22 HC and it definitely reduced the crack at the noisy end. Which is kinda confirmed by @rockdrill s summary above.

    It is difficult to tell unless you have some kind of scientific acoustic tunnel in which you can perform controlled tests tho!

    Currently contemplating plasti-dipping the inside faces of the stock to offer some damping/absorption of the action noise. Or possibly adhesive felt.....
     
  16. rockdrill

    rockdrill Engaging Member

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    I would suggest properly fitting spring guides with a small amount of lubrication will be as effective at reducing action noise as anything.

    Also, get someone else to shoot the rifle whilst you stand a short distance away - you will probably be surprised how quiet it really is.

    Trying to judge accurately how noisy a spring gun, or even a pcp, is can be misleading when the working parts are right close to your ear.
     
    Last edited: May 21, 2021
    Brother Caleb, Byronic and MrBadger like this.
  17. MrBadger

    MrBadger Busy Member

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    The one in it seems to actively encourage noise, as is two loose (stuck together with grease) washers at the base of the guide tube, that just has out turned edges that they sit against. Will get some pics when I’m back out in the garage.

    I’ve been looking at delrin guide and hat, probably TBT unless anyone has experience with an alternatives?
     
  18. rockdrill

    rockdrill Engaging Member

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    TBT is one option, but perhaps speak to @shauny on here.
     
    Plinky Dave and shauny like this.
  19. MrBadger

    MrBadger Busy Member

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    Conversation had :thumb:
    Thanks for the pointers, all
     
  20. MrBadger

    MrBadger Busy Member

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    Also may have started the wheels turning on having it sexified by Mr Chell :D

    And made some progress on stripping the stock back....
    1621625389917.jpg
     

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