The Hiviz RBLW01 is an interchangeable sight that comes bundled with three lite pipes in the colours of red, green, and white. Alongside these, a key is also provided for interchanging the lite pipes with ease.This sight is compatible with the stainless steel Blackhawk, Super Blackhawk, and Bisley models. It is designed to fit those with pinned front sights, with the sole exception being the 45 Colt caliber model.