Low power variable optic from 1-10x magnification with a 34 mm scope tube and an integrated throw lever for smooth adjustment control Available in two different second focal plane reticle designs: the BDC B1 reticle with 5.56 BDC hashmarks or the MX1 box reticle. Second focal plane reticles remain the same size at all magnification levels for high visibility at all magnifications. A new and improved optics assembly, providing a shorter scope with longer eye relief and wider eye box