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45 Super in a Glock 21?

Discussion in 'General Glocking' started by Smooth_squeeze, Jan 28, 2013.

  1. Smooth_squeeze

    Smooth_squeeze

    580
    1
    Jan 17, 2012
    In another thread, someone mentioned they carry hot 45 Super ammo in their Glock 21. Is that safe to do? Are there any potential problems with the unsupported chamber area? If it's safe, does the G21 need beefed up recoil springs or other modifications?

    Thanks.
     
  2. G26S239

    G26S239 NRA Patron

    11,415
    232
    Mar 17, 2008
    PRK
    I have done it with a 6" KKM barrel and 21# (?) spring a few years back. My 21still runs fine. I have also done it with the KKM in my 20.4 ounces long slide.
     


  3. GRT45

    GRT45 Transform & Win

    3,084
    152
    Jun 20, 2010
    Texas