Aim Sports JLM3940G: The 3-9x40 Full Size Scope/Mil-Dot features easy adjustable turrets covered for additional protection in the field and an enlarged power ring, the hunter can operate this scope under any weather conditions when the shot matters most. 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. Flip-up lens covers protect from dust and scratches while not in use. 2.7-3.3" eye relief provides safety from heavy recoil and enables fast target acquisition.