The Mepro M22 Self-Illuminated Reflex Sight: Ultimate Survival Optic?

As soon as electro-optics were invented, the question of battery life immediately followed and has kept following ever since. It’s a reasonable question, though, as the best red-dot or electronic reflex sight is only as good as its battery. Every electro-optics manufacturer is racing to advertise the greatest battery life in their electro-optics offerings, with some even claiming to have options that will last more than 10 years. However, whether one uses that battery’s entire charge or it just sits in the safe, it will eventually go bad. Reflex sights are still remarkable tools, though, but what can be done about the battery? Meprolight came up with an interesting solution;...