Reddit reviews Primary Arms SLX Advanced Rotary Knob Compact Red Dot Sight - FDE

Angled front lens designed to reflect the crisp 2 MOA dot projected by the emitter into the eye of the user11 illumination settings with approx. 50,000 hour battery life (5+ years) at a medium brightness settingIncludes removable Picatinny rail mount for out of the box use and bikini lens covers for glass protection6061 aluminum housing, durable ceramic flat dark earth finish, and aluminum turret caps that tighten around O-rings for protection against water and fogLifetime warranty for manufacturer defects, materials and workmanship, and even normal wear and tear