Glock 40 S&W To 9mm Conversion (How To) In HD
This guide details how to convert a .40 S&W Glock pistol to fire 9mm ammunition, as demonstrated by Mrgunsngear. It covers the necessary internal part swaps, including the extractor, plunger, and ejector, along with the installation of a 9mm conversion barrel. The process emphasizes testing for reliable ejection patterns after the modification, crucial for safe and effective range use.











