Ultimate Arms Gear Tactical Red Illuminated CQB Combat Specialist Edition 4 Reticle Open Reflex Scope Sight With Integral Weaver-Picatinny Rail Base Mount For Rifle Shotgun Crossbow Pistol 4 different reticle designs for every tactical solution 7 brightness settings, tubeless design 1x magnification, objective (mm)-24x34 Unlimited eye relief, multi-coated lens, black finish Windage & elevation adjustments, weaver-pica tinny rail base-great for rifles-shotguns or any weapon with a weaver-pica tinny rail