Trijicon ACOG® 1.5x16s BAC Riflescope Red Ring / 2 MOA Center Dot Reticle, M16 Carry Handle Base, Tritium / Fiber Optics Illuminated Part Number: TA44-C-400141 Magnification: 1.5X RETICLE: Circle Red Dot Objective Lens: 16mm Eye Relief: 2.4 in. Adjustments: 2 clicks per in. @100 yards Illumination Source: Fiber Optics & Tritium Waterproof: 66 ft. Weight: 5.1 oz. Battery Life: N/A