BUTAC Tactical 4 Reticle Red-Green Dual-Color Open Reflex Red Dot Sight with Integral Weaver-Picatinny Rail Mount ReviewbP PP UTAC Tactical 4 Reticle Red-Green Dual-Color Open Reflex Red Dot Sight with Integral Weaver-Picatinny Rail Mount P1 x magnificationPMulti-Reticle (4 patterns)PRed-green reticleP3 Brightness Settings for each colorPShockproofP