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Thread: KAC sand cutter BCG

  1. 04-30-20, 20:37 #1
    MeanCarbine
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    KAC sand cutter BCG

    I found these video interesting. Anyone here seen them before? Anyone ever have a problem with the gas key fasteners on their sand cutter?

    Last edited by MeanCarbine; 04-30-20 at 20:42.
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  2. 04-30-20, 20:37 #2
    MeanCarbine
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  3. 04-30-20, 20:37 #3
    MeanCarbine
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  4. 04-30-20, 21:56 #4
    turnburglar
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    Where any of these BCG's even shot?

    That LMT bolt looked nice.
    Tactical Nylon Micro Brewery
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  5. 04-30-20, 21:57 #5
    MeanCarbine
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    Quote Originally Posted by turnburglar View Post
    Where any of these BCG's even shot?

    That LMT bolt looked nice.
    Yeah. The BCG in the first video had a broken gas key screw.
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  6. 05-01-20, 09:34 #6
    justin_247
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    "Instructor Chad" / SOTAR is an awesome YouTube channel. A wealth of good info.
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  7. 05-01-20, 11:37 #7
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    Failure2Stop
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    We had some bad screws from the supplier that had an improper chamfer, and had a staking fixture/process that could apply staking in a negative way. Also had some very early carrier keys with YFS screws. All of the above were caught and corrected a while ago, but some did make it out.
    I addressed these points of product improvement on SOTAR's FB.

    As always, if it got to a customer wrong, we'll fix it.
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  8. 05-04-20, 16:45 #8
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    Pappabear
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    Jack is the bolt on the sandcutter similar to the LMT Bolts. Ive heard they are quite similar?? I never studies mine side by side.

    How about the BCG on the M110 vs MWS ?

    You guys are nice to LMT, that much I know. I'm sure it goes back and forth.

    PB
    "Air Force / Policeman / Fireman / Man of God / Friend of mine / R.I.P. Steve Lamy"
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  9. 05-04-20, 19:40 #9
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    I have 2 KAC BCGs, one sandcutter, one not. Neither have any issues with carrier key screws/gas leakage. I even did the reverse torque check Chad shows. FYI, Chad is a member on here.

    Quote Originally Posted by MeanCarbine View Post
    I found these video interesting. Anyone here seen them before? Anyone ever have a problem with the gas key fasteners on their sand cutter?


    The sandcutter I got came sans bolt. I have a spare KAC SR15 bolt and will likely get another good quality one and figure out what I want to use it in

    Quote Originally Posted by Pappabear View Post
    Jack is the bolt on the sandcutter similar to the LMT Bolts. Ive heard they are quite similar?? I never studies mine side by side.

    How about the BCG on the M110 vs MWS ?

    You guys are nice to LMT, that much I know. I'm sure it goes back and forth.

    PB
    ETC (SW/AW), USN (1998-2008)
    CVN-65, USS Enterprise
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  10. 05-04-20, 19:45 #10
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    Quote Originally Posted by Failure2Stop View Post
    We had some bad screws from the supplier that had an improper chamfer, and had a staking fixture/process that could apply staking in a negative way. Also had some very early carrier keys with YFS screws. All of the above were caught and corrected a while ago, but some did make it out.
    I addressed these points of product improvement on SOTAR's FB.

    As always, if it got to a customer wrong, we'll fix it.
    I changed out the YFS screws on new, unfired Young MFG NM BCG before I ever fired it...installed OCKS, staked..and now one less thing to worry about.
    The obedient always think of themselves as virtuous rather than the cowards they really are.
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