Vism Pro Series Ar Flip Up Rear Sight

Vism Pro Series Flip-Up Rear SightFeatures:- 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.- Rear sight low profile design folds flat to fit under the majority of scopes.- Features an A2 dual aperture (large & small) that is fully adjustable for windage. Knurled windage knob makes adjusting the windage an easy task.- Aluminum main body with steel A2 dual rear aperture, windage knob, and adjustment screw.- Mounts onto Picatinny Mil-STD 1913 rails, mounting tool included. Specifications: - Finish: Black- Dimensions: 2.4L x 1.2W x 0.8H- Weight: 2.3 oz.