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A Glock 23 is a .40 cal, why does this say Glock 23 is a 9mm? — 1 Answer

by Daniel Cox, from IN, United States Asked on November 6, 2025

Name ADE Advanced Optics Glock 23 Gen 1-4 9mm Stripped MKII Bullnose RMR Cut Pistol Slide (5)
$250.00 $210.00 Save 16%
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Answered by Bugkiller, member, from LA, United States, on February 10, 2026

A Glock 23 is originally a 40 S&W but using a 9mm barrel (same length as original) and 9mm magazine for Glock 17 will convert the Glock 23 to a 9mm.

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