The choice of the correct MOA (minute of angle) for your red dot sight is critical. A red dot or reflex gunsight is a major investment. A Trijicon or Aimpoint will set you back the price of a new Glock 19 Gen5 MOS. The Truglo RMR (rugged mini red-dot) weighs in at about half that … Continue reading MOA and Red Dot Sights