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Choke???

Discussion in 'Shooting Related Threads' started by southjblue, May 17, 2010.

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  1. southjblue

    southjblue Active Member

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    When talking choke size, why use #s such as .020 or.030--Why not full---mod---Im---etc---I need a chart to try to understand what they are talking about---

    Things could be made so much eaiser---like spelling???I hear them shoot these #s and stand there and won't ? but I don't want to seem dumb---just say mod, etc.With the wads we use today I can't see how much difference the #s can make in the pattern---Just a full old fashion choke seems to break them all---Just wondering---sjb---
     
  2. phirel

    phirel TS Member

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    The term "full choke" can, and does, apply to many different chokes. A constriction number is more accurate than the term "medium light full choke" or "extra tight improved modified choke". Also, my tube labeled Improved Modified" throws a slightly tighter pattern than the tube labeled "Full Choke". I don't question how this happened, I just shoot the tighter choke.

    Pat Ireland
     
  3. timb99

    timb99 Well-Known Member

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    Its just another way of saying the same thing.

    Generally speaking:

    0.035" constriction or thereabouts is a full choke

    0.020" constriction or thereabouts is a modified choke

    0.010" constriction or thereabouts is an improved cylinder choke

    Where this comes in handy is for guns whose barrel bore diameter is not the standard 12 gauge 0.729"

    What's important? How it breaks targets for you.
     
  4. southjblue

    southjblue Active Member

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    Thanks to all---U have been a great help---I'll keep Eddeis chart handy so I can tell what they are talking about---Still much easier using the words rather than the #s for me---I am from the old school---sjb---
     
  5. Newfoundlander

    Newfoundlander Member

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    Ummmm!!

    Thick as mud isn't it..

    I also refered to the old school of full and mod..

    Learned something new today , as I always wondered where they came up with the .30 , .35 and .20 constrictions...

    Now I know , thanks..

    Robert

    ( Newfoundlander )
     
  6. pheasantmaster

    pheasantmaster Well-Known Member

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    I've witnessed and or owned fulls from 54 thousandths down to 21 thousandsths when doing bore checks on various guns through the years. This is not how they patterned but rather what manufacture designed and marked. The term imp mod, mod and imp cyl via barrel marking can all be widely constricted. Manufacture, country of origin, specific model/time frame in manufacturing via particular company can and does lead to varied constrictions of what is labeled on barrel. Iam sure the 21 was never touched and was varified via Tom Seitz and I believe Bruce Bowen as original/unaltered. With such understanding I don't see how using rough terms such as full, mod, etc lets what know anything in terms of seeking knowledge. Atleast with a specific constriction designation you have a start at knowing somewhat of what may happen.
     
  7. Old Cowboy

    Old Cowboy Active Member

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    sjb,

    The terms "full", "modified", etc aren't very useful in comparing chokes made by different manufacturers as there's no standard. For example; let's take a choke with .030" constriction......Briley calls it "Light Full", Beretta calls it "Improved Modified", Browning calls it "Full", Ruger calls it "Extra Full"......

    John C. Saubak
     
  8. southjblue

    southjblue Active Member

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    Eddie--That was a great article---enjoyed---Thanks---sjb
     
  9. timb99

    timb99 Well-Known Member

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    What's also true is that a choke tube that measures 0.705" at the muzzle end might be a modified....might be a full.

    Depends on the bore diameter of the barrel!
     
  10. Trap2

    Trap2 Well-Known Member

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    This may be easier to understand and give a better descrpiton of what you are after. Mash on the above link.... Dan Thome (Trap2)
     
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