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Choke Treads

Discussion in 'Shooting Related Threads' started by Kabang, Nov 18, 2009.

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  1. Kabang

    Kabang TS Member

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    I clean the threads on my INV + chokes after shooting each day. I bought the Winchester Select Platinum O/U last summer and I think I have about 750 rounds down the tube. I was looking closely at the threads and noticed that the lower 3/16" of thread on the mod choke was worn completely flat. Is this normal? Do I need a thread chaser to clean out threads inside the bore?

    Thanks for your advice.
    Mark
     
  2. Shooting Coach

    Shooting Coach Well-Known Member

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    How about a picture? This does not sound right at all. See if another choke will go in that barrel by hand. If so, replace the defective choke. If not, call Browning.
     
  3. g7777777

    g7777777 TS Supporters TS Supporters

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    I wouldnt use anything except liquid and a soft cloth on the threads--- I dont think I have ever cleaned any except by that method

    DONTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTT use that choke tube again

    Now some aftermarket tubes have ghost threads but if you are describing a factory tube- DONTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTT

    unless you want to blow up your gun

    regards from Iowa

    Gene
     
  4. Unknown1

    Unknown1 Well-Known Member

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    Does your choke look like this?

    I have Browning Inv Plus tubes (Trulock, Carlsons, Angle Port) and every one of them have the first 1/8" of threads machined off from new. Every tube I own is like that. If you were mashing the threads I suspect you would feel significant resistance when installing the tube. <center>
    [​IMG]
    [​IMG]
    </center>

    Never use a thread chaser just to clean threads. You'll remove metal and make the threads loose. Thread chasers are intended to repair damaged threads. I use a 1/2" test tube brush and Ed's Red to scour out debris.

    MK
     
  5. Kabang

    Kabang TS Member

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    Here is a picture of mine. I checked a new one (IC) that I have not used and it's the same. Seems weird to me, (but what do I know.)

    Thanks Guys

    Kabang
     
  6. BigM-Perazzi

    BigM-Perazzi Well-Known Member

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    Looks to me to be the normal machining relief on the thread, this allows for the choke to enter the barrel without damaging the thread lead.
     
  7. Francis Marion

    Francis Marion Well-Known Member

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    Big M is correct. It is called a lead on the threads. Helps you start it straight. Two rules: DON'T chase them. You should never need more than two fingers to screw a tube in. If you do, STOP.Something is wrong.
     
  8. Quack Shot

    Quack Shot Active Member

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    Perfectly normal!
     
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