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Identification of Removable Choke for Mossberg 500

Discussion in 'Shooting Related Threads' started by sidhoch, Dec 20, 2008.

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  1. sidhoch

    sidhoch TS Member

    Dec 5, 2008
    My son just inherited a Mossberg 500 20 gauge with 3 removable chokes from his father-in-law.
    One of the chokes (suspect after market) has 3 notches on the business end of the choke and the other has 4 notches.
    There is no other indication on the chokes as to which is MOD and which is IC.
    Other chokes I have seen have the constriction marked on the side.

    Appreciate any info regarding this subject.
    Local Bass Pro Shop gun guys couldn't answer the question.

    Thanks, Sid
  2. Shooting Coach

    Shooting Coach Well-Known Member

    Sep 14, 2006
    Nashville Tn
    Three notches is Modified and four is Imp Cyl.

    Your Mossberg takes Winchoke, old style Browning Invector and Weatherby.
  3. Recoil Sissy

    Recoil Sissy Well-Known Member

    Jan 29, 1998
    Browning Invectors including Invector Plus are marked as follows:

    one notch - full

    two notches - imp. mod.

    three notches - mod.

    four notches - imp. cyl.

    five notches - skeet

    The marks on the end of Browning tubes allows a shooter to idnentify which choke is in the gun with a glance. Flush chokes marked on the side must be removed from the gun to identify.
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