See All Open Sight Gen 2 Tritium-Lit for Glock | Tactical Iron Sight Replacement | Tritium for Night Visibility | Ultra-Fast Target Acquisition (Delta Reticle) | Dovetail Included | NO BATTERY NEEDED REALIZE THE FULL CAPABILITIES OF YOUR GLOCK! You chose a great firearm. Now it's time to take advantage of its accuracy. Replace your stock iron sights with our industry leading Open Sight technology and see what it can really do! REACH YOUR FULL POTENTIAL AS A SHOOTER! When you miss, they always say "It's not the arrow, it's the Indian." This is NOT true! Iron sights haven't changed in centuries keeping you from becoming an amazing shooter. Our Gen 2 Open Sight will help you become much more quicker and accurate! TRITIUM TECHNOLOGY FOR NIGHT VISIBILITY - Combined with our Edge-Glow technology, the Gen 2 Open Sight's premium Tritium inlay allows for reticle visibility at night with NO BATTERIES REQUIRED TACTICAL DESIGN FITS YOUR GLOCK PERFECTLY - Our new and improved design makes this sight function effortlessly...whether you're running through a stage in a 3-Gun competition or you're forced into a self-defense scenario PREMIUM QUALITY! MADE IN THE USA, our Open Sights are built for abuse! Tested at up to 200 degrees and rugged enough to withstand the weight of a truck, our sight will always maintain its zero...ALWAYS!