All steel construction; Case hardened and finished with Melonite QPQ for extreme resistance to wear and corrosion; Mounts on any MIL-STD-1913 Picatinny/STANAG 4694 rail; Windage adjustable with low-profile knob - no tools required; Positive detents in both the up and down positions; Standard AR height over bore when deployed, 45 deg. offset right-hand side; Made in U.S.A.; Black Finish