Burris Picatinny Riser features a 1.50 length and 0.50 height designed for AR platform firearms, including AR-15 and M16 models. Constructed from durable steel with a black finish, this base attaches to standard Picatinny rail interface systems to elevate optics for improved line of sight. Safety Note Always ensure the firearm is unloaded before installing or adjusting any optics or bases. Verify proper torque specifications during installation. Improper mounting may affect accuracy and safety.