The new B-Series of optics are the most feature packed optics on the market. While the B-17 retains the the popular 3.2-17x magnification range today’s professionals are asking for, the similarities stop there. These new optics now have locking elevation and windage knobs, EK2 stop, revolution counter, tool-less elevation zero and a single button illumination control which has been integrated into the parallax adjustment knob. All this and still the same durability, reliability, and performance US Optics known for. Specifications: US Optics 3.2-17x44 Digital Red FFP GenIIXR Reticle .1mrad LR-17GENIIXR