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kkm

  1. Glock Accessories
    I have a Glock 34 Gen 4 with the KKM compensated barrel. I am new to the the gun. It has a gen 3 conversion recoil spring and guide rod but I received several recoil springs with the gun. I am wanting to know what weight recoil spring to use 12 or 13 lb.? or what? It has a Slide...
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