Problems with G21 to 10mm conversion

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  • Dwight D

    Marksman
    Industry Partner
    Rating - 100%
    9   0   0
    Jan 11, 2011
    297
    18
    Both IN and FL
    Hello , I recently bought a KKM Precision drop in 10mm conversion kit for the Glock 21 and installed all parts according to instructions with no problems. I am using this factory load from Double tap:


    Doubletap Ammo 10mm Auto 200 Grain Nosler Jacketed Hollow Point


    I really want to run this load and have little to no interest in running a 10mm load that is below the original Norma standard for the 10mm.


    I am having problems with failure to feeds.


    I tried the stock Glock 16lb recoil spring and a ISMI 20 lb spring and ISMI captured guide rod. Nothing seems to do work, failure to feed about 40 percent of the time.



    I am using brand new Glock 20 mags.


    I have attached a pic.


    Any ideas? Any suggestions are appreciated. Thank you
     
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