The 3-9x magnification scope is one of the most popular traditional hunting scope magnification ranges. The Vortex Diamondback 3-9x40 Riflescope really defines what it means to get “more bang for your buck”. The performance-to-price ratio on this classic hunting scope is unreal when it comes to image, build quality and overall feel of the scope. If you’re in the market for a high-quality riflescope, look no further than the Vortex Diamondback—a quality riflescope that offers a variety of configurations at a price that will leave you with plenty of money left in your pocket for accessories. The Diamondback 3-9x40mm rifle scope has a durable 1-inch tube constructed of 6061 T6 aircraft-grade aluminum. These scopes are subjected to demanding factory testing and are purged with Argon gas to eliminate fogging and retains its protective properties over a wide range of temperatures. It is fully multi-coated and transmits 91% of available light. The windage and elevation dials pop-up for fast and easy adjustments. Protective lens covers and a lens cloth are included. Available in either the Dead-Hold BDC (MOA) Reticle (model #DBK-01-BDC) or the V-Plex (MOA) Reticle (model #DBK-M-01P).