This guide details the installation of a 9mm conversion barrel into a Gen 5 Glock 22 or 23. The video highlights how the thicker, heavier slide of the Gen 5 .40 caliber models, combined with a conversion barrel featuring a 9mm bore and a .40 caliber exterior, significantly reduces felt recoil when shooting 9mm ammunition. The process is presented as a simple drop-in modification.
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