Keystone Sporting Arms Quick Focus Rifle Scope 4-32X 32 Black Rings Stationary Mount Base Required to Mount Scope Specifications for AIM Sports 4X32 Compact Mil-Dot Scope w/ Rings: Magnification: 4X Tube Diameter: 1" Objective: 32 mm Eye Relief: 3" Exit Pupil: 8 mm FOV (feet at 100 yds.): 36.6 M.O.A.: 1/4 Finish: Matte Black Lens Coating: Blue Length: 7.75" Weight: 11 oz. Features of AIM Sports 4X32 Compact Mil-Dot Scope w/ Rings: 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 Blue fused multi-coated lens provides superior light transmission, resolution and scratch resistance Windage and elevation adjustment 3 Inch eye relief provides safety from heavy recoil and enables fast target acquisition Weaver / Picatinny 1913 ring mounts included