Whether your state requires it or you enjoy hunting with straight-wall cartridges, the Neos straight-wall scope will help you get the most out of these modern and classic calibers. Designed for calibers such as the 350 Legend, 450 Bushmaster, and 45-70 Gov you'll easily extend your range this season. The Neos' 40mm objective minimizes your rifle's weight while increasing light transmission by incorporating proprietary lens coatings and glass quality not typically found at this price!