Drop-in replacement for factory front sight has contoured base to match the barrel radius for a snug fit and streamlined appearance. Secures to factory sight mounting stub with included steel cross-pin. Fits the RugerLCR and LCRx in .38, .357 and 9mm. It does not fit the LCR 22, 22 Mag and 327 Federal. Mfg: Hiviz SPECS: Steel, black, matte finish. Red or green light rod. .850" (21.6mm) long.