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When comparing open lens vs tube red dot sights, the right choice depends on your firearm setup and environment. Reflex sights excel in speed and visibility, while tube-style sights dominate in durability and versatility. Many shooters use both—reflex for handguns and close-quarters setups, tube red dots for rifles and tactical applications.

When you’re choosing a red dot sight or having a slide milled, start by deciding which footprint matches the optic you want.  The RMR cut offers the widest compatibility, the Docter/Noblex cut is king of the micro-compacts, and the DeltaPoint Pro cut is trusted by shooters who prioritize a massive window and rugged duty use.

 set out to do a couple things with this Glock, first, was to see if I could rekindle my like for Glocks which was lost in the mid-1990’s and second, to see if I could customize one below the extreme cost of aftermarket upgrades offered by various companies. My first run-in with Glocks was in the mid-1990’s when I got the Glock 17 (food container box and all).  It looked interesting, as it did not have a traditional hammer like most pistols at the time and it was very easy to disassemble.  Over time, I began to realize it was...