Leupold VX-Freedom .450 Bushmaster 3-9x 40mm Rifle Scope - Duplex - The VX-Freedom 3-9x40 .450 Bushmaster Duplex is ready to rock right of the box. The 3-9 model provides the ideal magnification for most shots, while the custom engraved dial is already calibrated for the unique .450 Bushmaster round. The scope delivers the performance you need to get you on target at extended distances. Built around Leupold's Advanced Optical System, the VX-Freedom delivers tried and true light transmission, best-in-class glare reduction in harsh light, and the resolution and clarity that recreational sportsmen and sportswomen demand. The VX-Freedom is 100% waterproof and fogproof, and guaranteed to get the job done every time. And like all Leupold riflescopes, it's designed, machined, and assembled in the USA and guaranteed for life. Waterproof & Fogproof 1/4 MOA Finger Click 3:1 Zoom Ratio One inch Maintube 6061-T6 Aircraft Quality Aluminum Twilight Light Management System Scratch Resistant Lenses