Nikon Monarch Riflescope 4-16x50SF Matte BDC Extremely accurate riflescope with 4x to 16x magnification and 50mm objective diameter Fully multicoated, ultra-high-performance lenses deliver flare-free, high-contrast images Bullet drop compensating (BDC) reticle provides quick, simple aiming points Unique zoom control with rearward facing numbers; quick focus eyepiece Matte black finish; measures 14.7 inches long and weighs 19.4 ounces; Nikon lifetime warranty