The Marble Arms 50-W Front Sight is a precision barrel-mounted rifle sight designed for .500 inch barrels with durable brass gold construction.Marble Arms 50-W Front SightBarrel mounted design for .500" diameter barrels1/16" sight width for precise target acquisitionBrass gold finish for corrosion resistance and visibilityProfessional grade rifle sight accessoryIdeal for hunters and target shooters seeking reliable high-quality sight upgrade for improved accuracy and target acquisition on compatible rifle barrels.