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How do I know where to set an adjustable choke?

sohigh1
My father in law sold me a gun this past week. It's an older Mossberg 12 ga bolt actions shotgun. It's in pretty decent shape for its age, and he only wanted $75 for it.

I plan to use it to hunt deer in a few weeks, but there is one thing I am not certain about.

The old gun has one of the adjustable chokes on it. It is a smoothbore. I am using plain old slugs, not sabots.

What is the proper setting for that choke in this application?
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Comments

9 comments

Date Votes
  • fl23in
    might want to read the barrel. if it is the same one i have tho mine be in .410. You CAN NOT use slugs with those adjustable chokes.
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  • sohigh1
    Hmm, my dad has had one of these for many years, and ran slugs through it all the time...
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  • fl23in
    well on my old mossberg .410 bolt action (prob from 40-50's) states on barrel DO NO SHOOT SLUGS ON THIS BARREL or what ever but basically that
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  • Mossbergboogie
    IC will do the best.

    PS: It's only worth $75.

    http://www.box54.com/inst 183K.jpg The above poster is wrong. C-lect chokes can use slugs.
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  • sohigh1
    quote:Originally posted by Mossbergboogie
    IC will do the best.

    I am lost. What is "IC"?
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  • Mossbergboogie
    quote:Originally posted by sohigh1
    quote:Originally posted by Mossbergboogie
    IC will do the best.

    I am lost. What is "IC"?


    the c-lect will say cylinder use that. IC is improved cylinder most ammo manufatures recommend Imporved Cylinder for best results.
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  • sohigh1
    Ok, thanks so much for the info. Appreciate it.
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  • Mobuck
    Set it to the most open choke position. Normal chokes are from most open(least amount of constriction) to tightest constriction:
    Cylinder
    Improved Cylinder
    Modified
    Full

    Unless this gun has some add-on sights, you should keep your shots to very short range.
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  • bambambam
    Like Mobuck said, OPEN.

    Slugs shoot the best through cylinder and i.c. chokes.

    However, moms 1978 870 Wingmaster has a fixed mod. choke barrel on it. It has killed more deer since it was made than some kill in their entire life.
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