HiViz litewave sight design from hiviz features an innovative, diagonal-wave design that increases durability to the protective exoskeleton and allows for more exposed surface area for the LitePipe to Gather light from all angles, for the brightest sight available. Sight includes 3 LitePipes in Red, green and black. Also includes a key to Interchange the LitePipes. Features: - litewave interchangeable rear LitePipes to fit different shooting conditions and styles - diagonal-wave design for increased durability and brightest sight - superior light gathering capability for rapid target acquisition. Specifications: - fit: M&P full size, compact, & Pro. (Does not fit M&P core) - material: steel - finish: matte black