Shotgun Barrel Rifling

Discussion in 'Large-Bore/Small-Bore Rifle/Shotgun' started by Poppypaul, Sep 10, 2012.

  1. Poppypaul

    Poppypaul Member

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    I have a 16 ga Browning shotgun that has a rifled barrel. Is there harm to the barrel in using any ammo other than a slug?
  2. Alpo

    Alpo Well-Known Member

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    There should be no harm to the barrel - the shot in most modern ammo comes in a plastic cup, so the lead shouldn't be hitting the rifling.

    But because of the spin imparted to the shotcup by the rifling, the shotload is going to come out of the barrel like this

    [​IMG]

    and you're not going to be able to hit anything.

    If you want to use it as a "shotgun", and shoot "shotshells", you need to get a smoothbore barrel.
  3. carver

    carver Moderator

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    Alpo, are you sure that twist is in the right direction? :D ;)
  4. howlnmad

    howlnmad Well-Known Member

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    For a southpaw scattergun it is. :D
  5. Poppypaul

    Poppypaul Member

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    Alpo what is the difference between a rifled slug and a non-rifled slug? Since my barrel is rifled must I use a non-rifled slug? Or can I use either?
  6. Alpo

    Alpo Well-Known Member

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    You got, basically, two types of slugs. You got your Foster slug. This is what people are talking about when they say "rifled slug". But the curved lead wings do not give the slug any spin. Instead they center the slug in the barrel, and then when it gets to the choke, which is smaller than the rest of the barrel, they squish down, and still allow the slug to be centered in the barrel. They fly straight the same reason a badminton bird does. Heavy nose and hollow back-end. These were designed for smoothbore barrels, and although you can use them in a rifled one, they work better in a smoothbore.

    [​IMG]

    Then you got your "sabot slug". This is an hour-glass shaped hunk of lead that sits inside a plastic collar. The plastic grips the rifling and gives the slug spin, and then when it leaves the barrel the collar drops off and leaves the lead flying down range. They were designed for rifled barrels, and while they can be shot in smoothbores, the accuracy is not there.

    [​IMG]

    There are a couple of other designs, but those are the two main ones.
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