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Will this fit my Gen3 Glock 21 — 1 Answer

by ktgraham, from MD, United States Asked on July 24, 2025

Name LANTAC ESP-S Ultra Smooth Glock Safety Plunger/Spring (4.4)
$20.99 $18.99 Save 10%
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Answered by YellowJacket, member, from MI, United States, on September 13, 2025

This will not fit the Glock 21 in any Gen, it also will not fit the 10mm models either. You need a large frame safety plunger for the .45 ACP or 10mm models.

I know in description it says works for “.45 GAP” which is not the same as .45 AUTO/ACP caliber.

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