This full-size scope has 3-9x magnification with a 40mm objective. Iit is milled from one solid piece of aircraft-grade aluminum to withstand constant heavy recoil and is fogproof/ shock-resistant housing with nitrogen-filled weather-resistant seals. It is windage and elevation adjustable. The green fused multi-coated lens provides superior light and flip-up lens covers protect from dust and scratches when not in use.The Tactical series 3-9x40mm full size scope is simplicity in its purest form. This low to medium range optic is for the traditionalist hunter. Tackle any situation with optic always at the ready. Features: Milled from one solid piece of aircraft grade aluminum to withstand constant heavy recoil Fog proof and shock-resistant housing Nitrogen charged with weather resistant seals Green fused multi-coated lens provides superior light transmission, resolution and scratch resistance Windage and elevation adjustment Flip-up lens covers protect from dust and scratches while not in use 2.7 to 3.3 inches eye relief provides safety from heavy recoil and enables fast target acquisition