Vism Pro Series Flip-Up Front SightFeatures:- Pro Series Flip-Up Front sight is a low profile spring loaded front back-up sight that flips-up and deploys with a push of a button.- Features an A2 front sight post that is fully adjustable for elevation.- Front sight height is designed for handguard rails, monolithic receivers, and gas blocks that are at the SAME height as the AR receiver Picatinny rail.- Aluminum main body with steel A2 front post.- Mounts onto Picatinny Mil-STD 1913 rails, mounting tool included. Specifications: - Finish: Black- Dimensions: 2.4L x 1.1W x 0.8H- Weight: 2.0 oz.