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  1. #1
    Gong Shooter meatman's Avatar
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    Default Glock 20 slide on 21SF frame?

    Is it OK for me to swap my Glock 20 slide onto my 21 SF frame? I'm thinking yes, but just wanted to be sure.

  2. #2
    SSDG
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    One way to find out..... I know when I had a gen 4 and tried to put it on a gen sf lower, it didn’t fit .

  3. #3
    Gong Shooter meatman's Avatar
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    It does fit, just haven't shot it. Both Gen 3.

  4. #4
    Proud Infidel beast556's Avatar
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    Your good to go, as long as there bolth gen3. It will throw the10mm casings all over the place, but will work just fine.
    Last edited by beast556; 06-04-2018 at 13:19.
    Si vis pacem, para bellum

  5. #5
    Gong Shooter meatman's Avatar
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    Thanks, I'll give it a try this weekend.

  6. #6
    Proud Infidel beast556's Avatar
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    The only difference in the 20/21 frame is the ejector.
    Si vis pacem, para bellum

  7. #7
    Paintball Shooter Stu_Padaso's Avatar
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    Im sure your aware , but incase your not you can shoot .40 cal through your 20 all day long and it wont hurt it or your pocket book , IMO only

    Stu

  8. #8
    Grand Master Know It All
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    Quote Originally Posted by Stu_Padaso View Post
    Im sure your aware , but incase your not you can shoot .40 cal through your 20 all day long and it wont hurt it or your pocket book , IMO only

    Stu
    It stands a chance of hurting you though. Don't do this without the proper conversion barrel.

  9. #9
    Paintball Shooter Stu_Padaso's Avatar
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    Quote Originally Posted by Wulf202 View Post
    It stands a chance of hurting you though. Don't do this without the proper conversion barrel.
    please explain

  10. #10
    Grand Master Know It All 68Charger's Avatar
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    Quote Originally Posted by Stu_Padaso View Post
    please explain
    One word- headspace

    both 10mm and 40s&w headspace on the case mouth. If you load 40s&w in a 10mm chamber, the headspace will be way off. Will it cause a failure/kaboom? probably not... are you out of spec and totally accepting all liability? yes.
    ΜΟΛΩΝ ΛΑΒΕ, we are the III%, CIP2, and some other catchphrase meant to aggravate progreSSives who are hell bent on taking rights away...

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