ACOG TA55 5.5x50 Riflescope Advanced Combat Optical Sight 5.5x50 Riflescope Magnification: 5.5x Eye Relief: 5.6 inches OEM ACOG TA55 5.5x50 Riflescope Advanced Combat Optical Sight riflescope, optical sigh, trijicon riflescop, Combat Optical Sight. Features and details: Color - Black Weight - 900g Size - 300mm(L) x 64mm(W) x 73mm(H) Objective lens diameter - 32mm Magnification: 5.5xEye Relief: 5. ...