holstercheck

Holsters that fit the Glock 20 Gen3

111 holsters from 12 makers. 19 confirmed by the maker, 2 listed with loose wording, 90 matched through a base model. Last verified Oct 15, 2026.

Maker confirmed$44.99

Eclipse OWB Holster

Blade-Tech · OWB

“Eclipse OWB Holster | Glock - 20/21 (Gen 3-5) / No Light”

Maker's listing, source, seen Oct 15, 2026
0 said it fit · 0 said it didn't
Maker confirmed$69.99

Total Eclipse 2.0 IWB / OWB Holster

Blade-Tech · IWB, OWB

“Total Eclipse 2.0 IWB / OWB Holster | Glock - 20/21 (Gen 3-5) / No Light / No - Holster Only”

Maker's listing, source, seen Oct 15, 2026
0 said it fit · 0 said it didn't
Maker confirmed$70

T.REX Ironside Holster

T.Rex Arms · OWB

  • No light Maker confirmed
  • With Streamlight TLR-1 Maker confirmed
  • With Streamlight TLR-1 HL Maker confirmed
  • With Streamlight TLR-7A Maker confirmed
  • With Streamlight TLR-7X Maker confirmed
  • With SureFire X300T Maker confirmed
  • With SureFire X300U Maker confirmed
  • With SureFire X300V Maker confirmed
  • With SureFire XC3 Maker confirmed

“Glock Gen 1-4 20 with No light - Right & Left Hand | T.REX Ironside Holster”

Maker's listing, source, seen Oct 15, 2026
0 said it fit · 0 said it didn't
Maker confirmed$110

T.REX Ironside Hybrid Holster

T.Rex Arms · IWB

  • No light Maker confirmed
  • With Streamlight TLR-1 Maker confirmed
  • With Streamlight TLR-1 HL Maker confirmed
  • With Streamlight TLR-7A Maker confirmed
  • With Streamlight TLR-7X Maker confirmed
  • With SureFire X300T Maker confirmed
  • With SureFire X300U Maker confirmed
  • With SureFire X300V Maker confirmed
  • With SureFire XC3 Maker confirmed

“Glock Gen 1-4 20 with No light - Right & Left Hand | T.REX Ironside Hybrid Holster”

Maker's listing, source, seen Oct 15, 2026
0 said it fit · 0 said it didn't
Maker confirmed$80

T.REX Ragnarok Holster

T.Rex Arms · OWB

  • No light Maker confirmed
  • With Streamlight TLR-1 Maker confirmed
  • With Streamlight TLR-1 HL Maker confirmed
  • With Streamlight TLR-7A Maker confirmed
  • With Streamlight TLR-7X Maker confirmed
  • With SureFire X300T Maker confirmed
  • With SureFire X300U Maker confirmed
  • With SureFire X300V Maker confirmed
  • With SureFire XC3 Maker confirmed

“Glock Gen 1-4 20 with No light - Right & Left Hand | T.REX Ragnarok Holster”

Maker's listing, source, seen Oct 15, 2026
0 said it fit · 0 said it didn't
Maker confirmed$150

T.REX Sidecar Holster

T.Rex Arms · AIWB, IWB

  • No light Maker confirmed
  • With Streamlight TLR-1 Maker confirmed
  • With Streamlight TLR-1 HL Maker confirmed
  • With Streamlight TLR-7A Maker confirmed
  • With Streamlight TLR-7X Maker confirmed
  • With SureFire X300T Maker confirmed
  • With SureFire X300U Maker confirmed
  • With SureFire X300V Maker confirmed
  • With SureFire XC3 Maker confirmed

“Glock Gen 1-4 20 with No light - Right & Left Hand | T.REX Sidecar Holster”

Maker's listing, source, seen Oct 15, 2026
0 said it fit · 0 said it didn't

How to read the badges

  • Maker confirmed The maker names this exact model on the product page.
  • Maker lists it The maker lists it, but the wording was loose enough that you should read the quote before buying.
  • Likely fit Matched through the base model or base light. Most makers cut one shell for the family, but check the quote.

Questions

Which holsters fit the Glock 20 Gen3?

111 holsters from 12 makers list the Glock 20 Gen3, including Alien Gear Holsters, Blade-Tech, T.Rex Arms, Werkz, Black Arch Holsters, C&G Holsters. 19 name the exact model on the product page; 92 are listed with looser wording or through the base model, and each one shows the maker's quote so you can judge it yourself.

Which weapon lights have holster options for the Glock 20 Gen3?

Makers list holsters for the Glock 20 Gen3 with Streamlight TLR-1 HL (17), SureFire X300U (15), Streamlight TLR-7A (14), Streamlight TLR-1 (13), SureFire X300T (12), Streamlight TLR-7X (8), SureFire X300V (8), SureFire XC3 (8). Light-bearing holsters are cut for one specific light, so match the exact model.

Will a Glock 20 holster fit the Glock 20 Gen3?

Often, but not always. 90 of the holsters here are matched through the Glock 20 listing rather than the Glock 20 Gen3 by name. Makers usually mold one shell for a model family, but generation changes to the trigger guard, rail or slide can break retention. Prefer a holster whose listing names the Glock 20 Gen3, and read the quote before buying.

How does holstercheck verify a fit?

I crawl each maker's product pages and record the gun and light named in the variant list or compatibility text. Every result shows that text with a link to the page it came from, and the date it was last seen. Loose wording is marked as such rather than hidden, and readers can report whether the holster fit their gun.