Trijicon ACOG 4x32 Dual Ill Rifle Scope w/Mount Red Horseshoe 6.8 Reticle. Features dual illumination (Fiber optics provides daylight illumination and tritium illuminates reticle at night). The ranging reticle is calibrated for 6.8 SPC flattop rifles out to 800 meters. Specifications for Trijicon ACOG 4x32mm BAC Rifle Scope - 6.8 SPC: Manufacturer: Trijicon Objective Lens Diameter: 32 mm Magnification: 4 x Exit Pupil: 8 mm Finish: Matte Field of View Linear: 36.8 ft at 100 yds Field of View Angle: 7 degrees Eye Relief: 1.5 in Color: Black Weight: 9.9 oz Adjustment Click Value: 1/3 MOA Length: 5.8 in Adjustment Type: MOA Illumination Type: Fiber Optics Tritium Fabric/Material: Forged Aluminum Optical Coating: Fully Multicoated Water Resistance Level: Waterproof Shockproof: Yes Fogproof: Yes Package Type: Polymer Hard Case Magnification Type: Fixed Condition: New Country of Origin: USA Attachment Type: TA51 Features of Trijicon ACOG 4x32mm BAC Rifle Scope - 6.8 SPC Always On Always Ready: Most ACOG models are battery free featuring a tritium/fiber optic illuminated reticle that automatically adjusts the brightness based on available light. Take Control: Several ACOG models are designed with a user-adjustable brightness setting powered by a single AA battery. The 3.5x35 LED and 4x32 LED models both offer six adjustable brightness settings. Rugged Reliable Housing Design: Fixed-power design allows for minimal moving parts to create a nearly indestructible sighting system. "Both Eyes Open" Design: "Both eyes open" shooting using Trijicon's Bindon Aiming Concept (BAC) feature allows for improved situational awareness. Outstanding Clarity: The quality of the glass and multi-coated lenses maximize light-gathering capabilities and clear field of view with zero distortion. Exact Target Distances & Holds: Most ACOG models feature a bullet drop compensating and target-ranging reticle for decisive aiming. Combat Proven: No other magnified optic has been used more in combat than the ACOG. Shock-Resistant: Proven to withstand recoil from a .22LR to a .50BMG and everything in between. Easily passes U.S. Military drop test requirements. Waterproof: Exceptional waterproof performance that exceeds military standards. Dry nitrogen-filled to eliminate fogging. This optic is tested to withstand and perform in extreme cold and heat with dry-nitrogen filled housing that mitigates fogging. Package Contents: Trijicon ACOG 4x32mm BAC Rifle Scope - 6.8 SPC Thumbscrew Flattop Adapter 4x32 Scopecoat LENSPEN Lanyard Assembly for Adjuster Caps Trijicon Logo Sticker ACOG Manual TA31H-68: Trijicon ACOG 4x32 Dual Ill Rifle Scope w/ TA51 Mount Red Horseshoe 6.8 Reticle