Fits your pistol / Glock
Kydex holster for the Glock G21
Cut, printed, molded, and assembled in our Texas shop — with your choice of 150+ catalog prints or your own uploaded art. Ships in 5 business days.
The answer
The G21 wears the Large
The Glock G21 carries a 4.61" barrel, and barrels over 4" need the Large shell's longer mold. The pancake mold hugs the trigger guard and slide, retention adjusts at the wing posts, and the open bottom clears threaded barrels and compensators.
Barrel 4.61″Shell LargeFrom $54.95
Both shells take the full mounting catalog, adjust 0–15° of cant, and are covered by the 30-day fit guarantee — if the G21doesn't ride right, we remake or refund it.
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Other Glock models we fit
- G17Large
- G19Medium
- G19XMedium
- G45Medium
- G22Large
- G23Medium
- G26Medium
- G34Large
- G43Medium
- G43XMedium
- G48Medium or Large
- G20Large
All supported models — or check the fit guide.