Glock Tactical Light Bulb Replacement | Free Shipping over $49!
Glock GTL 10 (Tac Light) with LED Upgrade | Glock Talk
LED Upgrade for GLOCK Tactical Light GTL-10 GTL-11 GTL-21 GTL-22 GTL-51 GTL-52 | eBay
GLOCK |GTL| 10| taktisches| Lichtmodul, 127,50 €
Glock Tactical Light | Best Glock Accessories | GlockStore.com
found an LED replacement for Glock GTL model flashlights/combo lasers. It works great and it's just a drop in upgrade (link in the comments) : r/ Glocks