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Browning Xs Pro

Discussion in 'Shotguns (SGC)' started by GAUGE, Nov 20, 2020 at 8:26 AM.

  1. GAUGE

    GAUGE Engaging Member

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    Just bought one and reading the booklet it's says backbored barrels
    And overbored barrels so what's the advantage of this please
     
  2. r10hunter

    r10hunter Honorary Member

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    Slightly more velocity from a given cartridge.
    A better pattern with some shells.
    Reduced recoil.
     
    Gary Jones and GAUGE like this.
  3. DUNKS

    DUNKS Big Poster

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    Or so they say.
     
    The burpster likes this.
  4. The burpster

    The burpster Posting Addict

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    :thumb:...... sales jargon mostly. In the Mili seconds it takes for the load and wad to travel a barrel it makes boogy all difference which is obviously negated when the lot gets restricted by the chokes. Snake oil.
    o_O
     
  5. Tyler durdon

    Tyler durdon Big Poster

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    Yes they are 18.7 , supposedly to reduce recoil , ive got one to .. superb gun ,have a play around setting up , could take you a world championship if you are gifted . Enjoy
     
  6. DUNKS

    DUNKS Big Poster

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    But to the OP dont let it worry you. You are not ever going to notice the difference between yours and a normally bored gun. I cant. It's all just theory.
     
    GAUGE and Tyler durdon like this.
  7. GAUGE

    GAUGE Engaging Member

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    Interesting do you use fibre wars of plaswads
    As I read an article about overbored barrels using fibre wars that they won't seal the bore so gases will get through I meant wads
    And because of this the shots can fuse together and reduce the pattern have you heard of this
     
  8. r10hunter

    r10hunter Honorary Member

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    Possible but very unusual.
    You will see balled pellets on a pattern plate straight away.
    I would not worry about it .
    Pattern some different shells and see what works for you leaving all the theory’s to miroku who know what they are doing making the gun it will work with fibre but may not like a certain brand.
    The gun will outshoot any of our abilities by a mile with plastic or fibre.

    I have Never seen a problem with any brand of fibre in my back bored guns.
     
    Tyler durdon and Buckshot like this.
  9. Buckshot

    Buckshot Posting Addict

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  10. DUNKS

    DUNKS Big Poster

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    I have never shot a back bored gun but my "overbored" 525 gives good patterns with fibre over a range of cartridges. I cant shoot plastic at my clay ground.
     
  11. Tyler durdon

    Tyler durdon Big Poster

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    I’ve have of it yes , only way to check would be on pattern paper and see if any fused shot is present. I use fibre wads , I like Eley vip sporting 28/7.5 . I suppose you have all 8 chokes with your gun ? Have a play around with some different carts/and choke set ups , I just use 1/4&1/2 or 1/2&1/2 .
    Just as a point I’ve got two winchesters from the 80s they are 18.7 to
     
    GAUGE likes this.
  12. DUNKS

    DUNKS Big Poster

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    If anyone is interested Sporting 100 12g fibre cartridges have an 18.9mm wad. The fattest of any I think.
     
    Tyler durdon likes this.
  13. GAUGE

    GAUGE Engaging Member

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    Think I might get a brace of teague chokes for it 1/4 and 1/4 extended
     
  14. Tyler durdon

    Tyler durdon Big Poster

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    FB8669FD-652C-4B8C-9AE3-EE08586CF986.jpeg
    Haven’t you got the Midas chokes with the gun ?? They are as good ?
     
    Last edited: Nov 21, 2020 at 8:10 PM
  15. GAUGE

    GAUGE Engaging Member

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    No I got the Titanium ones loads of them but I o like them tesgues
    I also have a Winchester select which takes the invector plus chokes so interchangeable
     
  16. Figgy

    Figgy Big Poster

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    None whatsoever that you could ever notice.
    Sorry but it just marketing bs, with some fiberwad carts over or back bored barrels don't perform as well as nominal bored guns, they can get gas blow by of the gas seal obturating disc, losing velocity, some modern fiber carts like Gamebores new quad seal should fix this.
    I'd be surprised if you could ever tell the difference, I've been shooting guns with both types of barrel for years, I couldn't tell which was which shooting them or by the kills.
    The only time I think it's a benefit is when shooting large steel loads, less friction on the barrel walls, as choke is a measurement of constriction to a guns bore. With overbored barrels being say 18.7 rather than 18.3 nominal bore, with full choke in a overbored barrel gun your only pushing the steel shot out of a hole the same size as half choke in a nominal bored gun. Full choke 1mm smaller than bore so overbored barrel choke opening at muzzle us 17.7mm with a standard nominal bored barrel and half choke 0.5mm smaller opening at muzzle is 17.8mm.
    This can only help with larger steel shot sizes that don't like to be sqaushed as the exit. I think this is why some manufacturers of overbored guns state safe for steel with full choke.
     

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