Strike Industries R.E.X. Riser for AR platforms features a durable blue anodized finish. This low profile Picatinny rail riser provides an adjustable mount height of 0.53-0.63 and measures 2.09 long by 0.61 wide. Weighing just 2 oz, it attaches to standard Picatinny rail interfaces without included rings. Comes complete with riser base, clamp, riser rail, and all necessary mounting hardware for clean setup. 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.