Aim Sports Sniper Tactical 3-9x 40mm Rifle Scope - P4 Sniper - The P4 Sniper reticle is milled from one solid piece of aircraft-grade aluminum to withstand constant heavy recoil. The scope fog proof and weather and shock-resistant. Features adjustable windage and elevation; green fused multi-coated lens; flip-up lens covers protect from dust and scratches when not in use and 2.70-3.30in eye relief provides safety from heavy recoil. Includes Weaver/Picatinny 1913 ring mounts.