Custom KYDEX® Holsters for the Glock 19 X300
A Glock 19 with a Surefire X300 is the duty-light standard scaled to the most carried gun in America — and it deserves a holster molded to the actual pairing, not a universal light bay. ANR Design forms our KYDEX® holsters over the exact G19 + X300 combination in Manchester, NH, with dedicated fitments for both the X300U-A and X300U-B, light fully enclosed, retention indexed on the gun. The fitment covers the Glock 19 (Gen 3–6), 19 MOS, 19M, 19X, and Glock 45 — plus the G23 and G32 — in both IWB and Nidhogg OWB configurations, and this combination qualifies for our fastest Quick Ship tier in both hands. Configure yours below.
Start Building Your Glock 19 X300 Holster
Product Categories
Glock 19 + X300 Fitment Details
This holster is molded over the actual gun-and-light pairing — Glock 19 (Gen 3–6, 19 MOS, 19M, 19X, or Glock 45) with the Surefire X300U-A or X300U-B mounted. The shell encloses the light housing completely, the draw stays smooth with no bezel snag, and retention clicks on the trigger guard rather than clamping the light. The same shell covers the Glock 23 and Glock 32 running the X300.
Optics-ready and suppressor-height sight clearance come standard — the full duty setup of red dot, tall sights, and X300 carries without modification.
Frequently Asked Questions
What’s the difference between the X300U-A and X300U-B — and which do I select?
The A and B differ in how they mount: the U-A uses Surefire’s quick-release rail latch, the U-B uses a T-slot screw mount. We mold a dedicated fitment for each — select the exact version you run in the builder and retention will lock correctly.
Will this fit my Glock 19X or Glock 45 with the X300?
Yes — the 19X and G45 wear the compact G19 slide, which is what the holster molds around. Both are covered on this fitment with the X300 mounted.
Is the Glock 19 X300 holster Quick Ship eligible?
Yes — this combination qualifies for our fastest Quick Ship tier in both right- and left-handed builds, IWB or OWB. The builder shows your exact lead time before you order.
Will this fit my Glock 19 MOS with a red dot and the X300?
Yes — the shell clears slide-mounted optics and suppressor-height sights as standard, so the full MOS + red dot + X300 duty setup carries without modification.
What warranty comes with it?
Every ANR Design holster includes a free Lifetime Warranty on the KYDEX® shell for the original purchaser — automatic on every order, no registration.