Leupold Long Range Tactical Riflescope w/Mil-Dot Reticle & Matte Finish Md: 47638, Leupold Mark 4 riflescopes are built to a higher standard. Incredible accuracy. Impeccable optical quality. Outstanding ruggedness and absolute waterproof integrity. Leupold Mark 4 riflescopes excel in even the worst conditions, including the rigors of competition and hunting., Magnification: 10x Objective: 40mm Field of View: 11.1 ft @ 100 yds Eye Relief: 3.4 " Tube Diameter: 30mm Length: 13.1" Weight: 21 oz Finish: Matte Reticle: Mil-Dot Adj Size: 1/2 MOA @ 100 yds, Manufacturer: LEUPOLD & STEVENS INC, Model: 47638