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Hw100 K Tight Barrel.

Discussion in 'Technical' started by bigal, Sep 6, 2019.

  1. bigal

    bigal Jedi.

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    choke a beast, in my top 5 in tightest ever, I get a vid up later of my finger trying to push a 20cal pellet down. I get a vid of 22 to show the pressure on a good barrel/pellet psi on traveling down a good 1, u can see it's tightest on looking down.
    barrel been back to hull cartridge, they said it's ok, most have a blind man on the range testing them. it's so easy to see over tight as u will see later when I get the pic,s vids up. Al
     
    Blackmax, Tim_B, metalman and 2 others like this.
  2. Pellet pinger

    Pellet pinger Donator

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    Look forward to seeing it Al:thumb:
     
  3. HW100Tuning

    HW100Tuning Straight Pride

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    I had a real tight .177, but it grouped great and like almost every pellet through it.
     
  4. robs5230

    robs5230 леший

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    If Al has it I'd assume it ain't grouping.
     
    HW100Tuning likes this.
  5. bigal

    bigal Jedi.

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    good man. ;)

    sorry the vid,s are crap. eg 2 hands doing 4 jobs, lol. pic,s show u can see the choke, other barrel a bsa without a choke, just look at my fingers dent, shows the pressure between them using the rods, Al.
    https://photos.app.goo.gl/tcKS7VdfGyhg9Xnt6
     

    Attached Files:

    Last edited: Sep 7, 2019
  6. bigal

    bigal Jedi.

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    here the other vid, bsa, look at the rod pressure on my finger
    https://photos.app.goo.gl/tcKS7VdfGyhg9Xnt6

    both pellets u see have been in the barrel, top 1 halfway, top 1 all the way, shows wot it's digging in to. ;) Al
     
    Last edited: Sep 7, 2019
  7. bigal

    bigal Jedi.

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    it's crap, was expecting to polish the groove cut in the barrel that holds it on the gun. that's normally tight too, but this 1 ok.
    it's dead on tight where the sil thread starts, very rare, normal trick we trimmed half the thread off b4 on these, as there a lot of spare thread on them. but this 1 a no no.

    after a natter with the owner, he been in touch with his gunshop he got it from. lad in there up to help I think to sort in out.
    I got to write a letter to say wot I found, I should be fun. u seen my writing on on here, lol. let hope we get somewhere, ;) Al
     
    Scots Bob likes this.
  8. bigal

    bigal Jedi.

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    guess the barrel. ;) Al
     
  9. HW100Tuning

    HW100Tuning Straight Pride

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    Ah now... I had one recently like that in .177 - someone sent it me and it wouldn't group. It was almost like there was a step where the choke started. Had to replace the barrel :(
     
  10. bigal

    bigal Jedi.

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    this is 1 of these,
    not in the top 3 in tight I seen. will say they where on rapid guns, had to hammer them out, gun,s gained 40/50fps, had to just that too,

    now we got smooth bore barrels, it showing a pellet don't need much to get them to spin. ;)

    shows wot a polish and a spray of my trick on them, let them travel as easy as u can on a normal barrel. ;) Al
     
  11. bigal

    bigal Jedi.

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    ps, as u see it a lw barrel. not a hw barrel. hw have 6 triangle grooves of rifling. ;)
     
  12. HW100Tuning

    HW100Tuning Straight Pride

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    Are you saying a .22 HW barrel has 6 grooves or the .20 cal?
     
  13. hmangphilly

    hmangphilly Busy Member

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    I think Hw use varying patterns
     
  14. Scrinja

    Scrinja Trust Me

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    Link says album is empty
     
  15. bigal

    bigal Jedi.

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    sorry phone fiddle has move it, should be back again, ;) Al
     
  16. HW100Tuning

    HW100Tuning Straight Pride

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    I have 3 .20 HW barrels here and none have 6 triangle grooves.
     
  17. bigal

    bigal Jedi.

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    bet there all lw barrels, as u see above, ;)
    theoben used lw on 20/25cal on there guns.
    177/22 where Arnie barrels, Al
     
  18. Wewekokowe

    Wewekokowe Engaging Member

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    Is it true that when they cut the threads for the mod that process is what forms the choke on these barrels?
    Will a .177 pellet work in this then lol
     
  19. bigal

    bigal Jedi.

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  20. Victor Robert Allaway

    Victor Robert Allaway Engaging Member

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    Needs paper patching then, to stop all the air leaking around it!

    Rob.
     

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