NCSTAR PRO AR FLIP UP REAR SIGHT

NcSTAR Pro Series Rear Flip-Up Sight, Fits Picatinny, Matte Finish, Black VMARFLR
The Pro Series Flip-Up Rear sight is a low profile spring loaded rear back-up sight that flips-up and deploys with a push of a button.The rear sight low profile design folds flat to fit under the majority of scopes.