Rugged, steel tritium sight gives you a bright, white dot for fast target acquisition in low light situations with your Para Ordnance LDA. Rear sight has two dots, front sight has one dot for positive sight picture. Sights install easily and don't add weight to the gun. Sealed, Tritium vials aren't affected by even the most aggressive cleaning solvents. Mfg: Meprolight SPECS: Blued steel with white tritium inserts. Fits Para-Ordnance 12.45, 14.40 and 14.45 LDA pistols manufactured prior to 2007. Must have vertical slide serrations.