Leupold Riflescopes Mark 4 MR/T 2.5-8x36mm (30mm) M2 Matte Rifle Scope Illum. TMR Reticle. 5-8x36mm Mid-Range / Tactical (MR/T) M2 Illuminated Reticle Scope is designed for the U.S. military. Leupold Mark 4 2.5-8x36mm MR/T M2 Illuminated Military Riflescope is the scope of choice for those situations where the requirements of the mission can change as fast as the weather. A 30mm maintube design of Leupold Riflescope offers additional windage and elevation adjustment. The M2 style 1/2 MOA adjustment knobs with audible and tactile clicks allow that adjustment to be made quickly. A fast focus eyepiece with special eye relief ideally suited to AR15 and M16 style rifles and a small overall size makes this powerful scope from Leupold just as small as possible without compromising one bit on performance. Leupold Mark4 Mid-Range Tactical Scope MR/T M2 optical and mechanical systems are covered by the Leupold Full Lifetime Guarantee while the electronics are covered by the Leupold Electronics Warranty. Available models: Leupold 60150 - Leupold Mark IV Matte Black Finish Illuminated Mil Dot Reticle Leupold 60170 - Leupold Mark IV Matte Black Finish Illuminated Tactical Milling Reticle ( TMR ) Specifications for Leupold Mark-IV 2.5-8x36 MR / T M2 Illuminated Tactical Riflescopes:Actual Magnification: 2.6 7.8Length (in): 11.3Eyepiece Length (in): 3.1Objective Length (in): 2.6Objective Diameter (in): 1.7Eyepiece Diameter (in): 1.7Tube Diameter: 30mmWeight: 16.0 oz. / 454 gramsEye Relief (in): 4.7 3.7Eye Relief (mm): 119 94Obj. Lens Diameter: 1.4in / 36mmMax. Adjustment at 100 yds (in): 90Max. Adjustment at 100 m (cm): 229FOV at 100 yds (ft): 37 13.5FOV at 100 m (m): 12.3 4.5 Ring SpacingMax. Mount Ring Spacing (in): 5.8Front Ring Space (in): 1.9Rear Ring Space (in): 2.4Features of Leupold Mark 4 2.5-8 x 36mm MR/T M2 Illuminated Rifle-Scopes:30mm