U.S. Optics FDN 10X 2.5-10X42mm Riflescope (34mm Tube)
The U.S. Optics FDN 10X 2.5-10X is a Foundation Series variable-power riflescope built around a 34mm 6061-T6 aluminum tube with a 42mm objective. Controls include a low-profile ER3K elevation knob with zero stop, a capped US#1 windage knob, and an integrated parallax/illumination control.
This optic measures 12.98" in length and weighs 27.8 oz.