Trijicon Acog model TA01NSN (100091) 4x32 .223 BDC/Flattop M4A1 scope. The scope also comes with the original Trijicon case and accessories. The scope is in excellent condition and works great! There are no scratches on the lens glass and the sight picture is amazing! The accessories include: Rubber Scope Cap Cover, LENSPEN, Trijicon Logo Sticker, and the Acog Manual. Call or text 406-867-3232