Regardless of the scenario the EOTech EXPS2-2 Holographic Sight, (2) dot Ballistic Reticle, w/ 3X Magnifier and FTS Mount (MPO-III) provides an unparalleled advantage when transitioning from short to long range shooting. The Eotech EXPS2-2 offers true 2 eyes open shooting, a transversly mounted lithium 123 battery, 7 mm raised base offering iron sight access, and easy to adjust side buttons. The 3x Eotech magnifier with Flip-to-Side (FTS) mount provides superior light transmission and the large field of view puts the competition to shame. Both units offer quick release throw levers for easy attachment and removal. EOTech EXPS2-2 HWS Holographic Sight & G33 Magnifier System w/Quick Detach STS Mount HHS II