Technically speaking, there are three different types. The term “red dot” is a catch-all phrase that includes reflex sights, prismatic sights, and holographic sights. We’ve assembled a ...
558 G45 Holographic Red/Green Dot Sight: 558 +G45 has 10 levels of brightness adjustment and uses a quick release base for your quick installation and removal. G45 5X Magnifier: Versatile upgrade ...