The Marble Arms Brass Gold .450 Front Sight is a precision barrel-mounted sight designed for universal rifle compatibility with a 3/32 inch mounting specification.Marble Arms .450 aperture front sightBrass gold construction for durability and visibility3/32 inch barrel mounting system45-W model designationUniversal rifle compatibilityBarrel-mounted design for secure attachmentIdeal for hunters and sport shooters seeking reliable precision front sight performance with classic brass construction and universal mounting capabilities for various rifle platforms.