Nikon Monarch Riflescope 2.5-10x50 Matte BDC Mid-sized riflescope with 2.5x to 10x 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 Rugged 1-piece, 1-inch main body tube; 100-percent waterproof, shockproof, and fogproof Matte black finish; measures 13.7 inches long and weighs 17.1 ounces; Nikon lifetime warranty