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caliber swap
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  1. Glock Forum
    I'm pretty new to Glock. I have a model 31 and love it. I was told that I could drop a .40 cal barrel in and run it a bit cheaper. I found a barrel on the cheap, but it is ported and my slide is not. I am thinking I should not run this barrel in my weapon. Thoughts? Thanks in advance. 4M-
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