The NcStar USS G2 P4 Sniper combines a 3-9x42mm tactical scope with an integrated micro red dot optic for ultimate versatility. This Gen II Ultimate Sighting System features blue and green illuminated reticle with multiple brightness settings and a 100-500 yard BDC calibrated for M193 55gr FMJ ammunition.NcStar Ultimate Sighting System (USS) Gen II P4 Sniper3-9x magnification with 42mm objective lensIntegrated DDAB micro red dot optic mounted on topBlue and green color illuminated reticle with brightness controls100-500 yard Bullet Drop Compensator calibrated for M193 55gr FMJQuick focus eyepiece and fully multi-coated lensesAuto locking quick release mount systemIncludes lens covers batteries and micro dot dust coverPerfect for tactical applications and precision shooting this combo system provides both magnified precision for long-range targets and fast target acquisition with the micro red dot for close-range engagements.