Check the listing for details. Steiner 8503 DRS1X Battlesight C2 Reticle Red Dot Defendu Reflex Sight Matte. Condition: New. Listed at 599.99 USD. Steiner 8503 DRS1X Battlesight C2 Reticle Red Dot Defendu Reflex Sight Description: The DRS1X lives up to its namesake with rapid and lethal target engagement at close quarters. The DRS (Defendu Reflex Sight) is so versatile and effective at close range, we've named it after the famed Lt. Colonel William Ewart Fairbairn whose Close Quarters Combat system was designed to rapidly disable an opponent with potentially lethal force. Perfect for tactical operations or home defense, the 1x reflex sight offers three reticles calibrated for speed and accuracy at 7, 25 and 50 yards. The ultimate CQB sight, it is built with Steiner's legendary ruggedness. Lightweight, compact and simple to use. Included Accessories: Battery, Lens Cloth, User Guide Window size is .96 x 1.26 in. (height x width).The overall height is 2.57 in., and it sites 2.35 in. above the rail. This part can be used with bolt-action rifles. PRODUCT FEATURES: RUGGED MAGNESIUM BODYCHOOSE FROM 3 RETICLE OPTIONSa single dotdot and stadia linesdot, stadie lines and close dotSEVEN ILLUMINATION LEVELS (4 DAY/3 NIGHT)ADJUSTABLE FOR WINDAGE/ ELEVATIONWATERPROOF/FOGPROOF/ SHOCKPROOFPOWERED BY TWO (2) AA BATTERIES, BUT CAN OPERATE ON ONE2000+ HOURS OF BATTERY RUN TIME13-HOUR AUTO SHUTOFFCO-WITNESS WITH IRON SIGHTS OR USE WITH ANY MULTIPLIERRED C2 RETICLENITROGEN FILLED SPECIFICATIONS: Reticle Color(s)RedFinishMatte BlackField of View-MountMIL-STD 1913Close Focus-Eye Relief-Click Value.5 MOAHeight Above Rail to Optic Centerline-Elevation Adjustment, Total Capability50 MOAWindage Adjustment-Length3.88 inWeight10.4 ozIllumination Control-Illumination Settings-Battery2x AA | 3000 HRS