Alumium front sight for AR-15 - GG&G, INC

Fast Deployment, With Excellent Accuracy Clamp to MIL-STD 1913 Picatinny rails to provide backup sighting for almost any tactical or competition application. Easy to actuate, spring-loaded mechanism, with a positive lock that prevents folding the sight until you hit the release button. Includes standard, A2 front post, detent, and spring, with full elevation adjustment. Sight bodies are machined from billet Aluminium or steel for extra strength, with hardened detents and hinge pins for durability. Protective ears guard the sight post from impact, and all edges have been dehorned to protect the shooter. All-Aluminium Steel Gas Block model mounts to gas block rail, and deployed height of the post is the same as an A2 front sight. All-steel construction for extra strength to handle extreme operating conditions. Bead-blasted and manganese-phosphated for a corrosion-resistant, non-reflective matte black finish.

SPECS: 6061 T6 aluminum, hardcoat anodized, or 4140 carbon steel, manganese phosphated, matte black. All models fit MIL-STD 1913 Picatinny rail. Installation instructions and Allen wrench included. Heights measured from top of base to top of sight. Steel Gas Block - Height: 1.650" (4.19cm) from top of base to top of sight. 3.2 oz. (90g) weight.