Dear，Pls leave a massage to tell us what design (Color) do you want.thank you.

Designed for Close Quarter BattleRecommended for airsoft， training， or simulation use only!Full Polymer Construction for DurabilityFully adjustable for windage and elevation.Spring loaded flip-up design， release lever can be reached on left， right & top position.Fits for any standard 20mm weaver rail.Height above rail，stowed: 0.51inLength，stowed:2.6inLength，deployed: 1.5inColor: blackPackage Includes:1 x Back Up Front and Rear Sight Set