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.Adj Size: .25 MOA @ 100 ydsMagnification: 3-9xObjective: 40mm AOField Of View: 36.60-13.60 ft @ 100 ydsEye Relief: 3.50"Tube Diameter: 1"Length: 12.50"Weight: 13.25 ozReticle: Black MatteParallax Adjustment: P4 SniperProofs: 13.3-4.4mmCoating Type: Weatherproof, Fogproof, ShockproofOptic Coating: GreenOptic Coating: Multi-Coated