SIG SAUER OPMOD Tango 1-6x24mm MSR Scope 30mm Tube Second Focal Plane BDC 6 Reticle w/1.535 Mount Gray. These AR15 Rifle Scopes are tailored to modern sporting rifles (MSR) providing quick engagement and target acquisition with their BDC6 illuminated reticle and removable thread-in throw lever for fast magnification changes. This lets you switch target distances on the fly without having to deal with sensitive dials. They have 0.5 MOA adjustment increments and a 44 MOA travel-per-rotation. At 100 yards the FOV (Field of View) is 124.8 on low power and 19.6 on high power. The diopter adjustment range is +/- 2.5 with 11 illumination settings. OPMOD and SIG SAUER bring industry-leading light transmission and optical clarity for any situation. Long known for their handguns and rifles as soon as they moved into the optics industry they dominated. These AR15 Rifle Scopes are tailored to MSRs providing quick engagement and target acquisition with their BDC6 illuminated reticle and removable thread-in throw lever for fast magnification changes. They have 0.5 MOA adjustment increments and a 44 MOA travel-per-rotation. At 100 yards the FOV (Field of View) is 124.8 on low power and 19.6 on high power. The diopter adjustment range is +/- 2.5 with 11 illumination settings. OPMOD brings industry-leading light transmission and optical clarity for any situation. Long known for their handguns and rifles as soon as they moved into the optics industry they dominated. Specifications for SIG SAUER OPMOD TANGO-MSR 1-6x24mm Rifle Scope 30mm Tube Second Focal Plane (SFP): Manufacturer: OPMOD Objective Lens Diameter: 24 mm Magnification: 1 - 6 x Reticle: Illuminated BDC Tube Diameter: 30 mm Reticle Focal Plane: Second Focal Plane (SFP) Color: Gray Adjustment Click Value: 0.5 MOA Package Contents: SIG SAUER OPMOD TANGO-MSR 1-6x24mm Rifle Scope 30mm Tube Second Focal Plane (SFP) Mount And Caps OPMOD SOTM61300: SIG SAUER Tango 1-6x24mm MSR Scope 30mm Tube Second Focal Plane BDC 6 Reticle w/1.535 Mount Gray