A prism scope is a specific type of sighting device that combines the advantages of a collimator and a scope. The AT3 Tactical Prism Scope 3XP provides the user with a compact, lightweight design, combined with a 3x optical magnification and a fixed BDC-type aiming crosshair combining a simple, non-restrictive field of view design with the ability to fire precise shots and make adjustments for bullet drop. The AT3 Tactical Prism Scope is an ideal choice for all kinds of riflescopes providing the ability to fire comfortably at close and medium distances. The AT3 Tacitcal Prism Scop sight provides: BDC sighting crosshairs that allow for easy bullet drop compensation Characteristically extremely high reliability Three times magnification for comfortable operation at medium distances Large objective lens for high brightness and clear target image Functional at both close and medium distances target crosshairs Ability to operate with a discharged battery on an unlit crosshair Picatinny rails for mounting a collimator and other electronics Adapted for AR-15 carbines distance from and Picatinny mounts Like any prismatic sight, the AT3 Tacticlal 3XP Prism has a glass-engraved crosshair, so it also works when the battery is discharged or the electronics are damaged. The design of this type of device also allows the use of more advanced target crosshairs than collimators. As a result, the device uses a BDC crosshair equipped with a .223 Rem caliber-adapted graduation that allows making bullet drop corrections at a specific distance.