Trijicon ACOG TA31 BAC Rifle Scope 4x 32mm Dual-Illuminated Green Crosshair 223 Remington Reticle with TA51 Flattop Mount Matte Black

The Advanced Combat Optical Gunsights (ACOGs) are internally adjustable, compact telescopic sights with tritium and fiber optic dual-illuminated reticle patterns for use in low light or at night. Bindon Aiming Concept (BAC) models feature bright daytime reticles using fiber optics, which collect ambient light. The ACOGs combine traditional, precise distance marksmanship with close-in aiming speed. Designed for use with the AR-15 family, every feature of the mechanical and optical design was chos