Ncstar Pro Ar Flip Up Rear Sight

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.

Features :

• Weight: 2.3 oz
• Aluminum main body with steel A2 dual rear aperture, windage knob, and adjustment screw
• Mounts onto Picatinny Mil-STD 1913 rails, mounting tool included