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Thread: convert g20 to g21

  1. #1
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    Oct 2009
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    Default convert g20 to g21

    ive read somewhere that you can convert a glock 20 to a glock 21 by just replacing the barrel an the magazine has anyone ever done this or ever heard of it

  2. #2
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    G21 to 10mm Possible with a conversion barrel
    G20 to .45 ACP Not possible without a complete slide
    This is because the breech face is not wide enough. "The breach face on a 10mm slide is .433" wide and a .45 slide is .483" wide. The barrel hood is cut to fit the slide breach face so the 10mm hood is .425" wide and the .45 is .475" wide."
    Check this out

  3. #3
    Member akrstabout's Avatar
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    Dec 2006
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    Cheapest way to go I see is, buy a Lone wolf slide, swap all factory parts to the 45acp slide, might need a few different parts, but most will transfer over. Get a .45 barrel and your done. Will send a pm.

  4. #4
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    Oct 2009
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    thanks for the info guys

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