Best battle sight - Eotech HWS EXPS2 Holographic Weapon Sight

This Eotech has all you could ask for. Crystal clear, sharp reticle illumination, bombproof, and the battery orientation ensures rifle recoil won’t short circuit the battery connections. Brightness controls are impeccable, and Eotech’s Holographic’s keep the reticle centered, even if you are moving your head.