Front sight for AR-15 - A.R.M.S.,INC

Spring-Loaded, Dual Range Flip-Up Sight For Use With Or Without Optics Rugged Aluminium and steel flip-up rear sight regulates properly with A2-height front sights and can be co-witnessed through an optic. Dual apertures are calibrated for close- and mid-range targets, simply aim through both or fold the first one down and use the second aperture. Easily mounts to a Picatinny receiver rail; locknut is retained by a safety wire, so you can’t lose it. Non-snagging lever instantly releases the spring-loaded sight into the ready position. #40 Std. A2 is 1" high from top of flattop when folded and has A2 apertures calibrated for 250-300 and 500-600 meters. Windage is click adjustable in increments of ¾ MOA.

SPECS: Apertures – Steel, matte black. Hardware - Stainless steel, matte black. Base - aluminum, hardcoat anodized, matte black. 23⁄16" (5.6cm) long, 13⁄8" (3.5cm) wide. #40 Std. A2 – 1" (2.5cm) high from flattop (folded), 15⁄8" (4.1cm) high (deployed).