XS Sight Systems SP-0003S-5 Dxt Big Dot - Springfield Champion & Compact, Novak Rear Tritium Front, Tritium Rear, Factory Front Dovetail Dxt Big Dot - Springfield Champion & Compact, Novak Rear Made for fast sight acquisition in all light conditions Fast, simple and effective Ultimate "flash sight" picture Improves low-light accuracy Low profile, snag free design