Front, Springfield Armory, 1911 & HiCap 5 inch, Optic, 0.100 Wide, 0.180 High, Partridge & Serrated, Factory Dovetail, Use w/ Factory or DP Adjustable Rear.
This sight fits the proprietary Springfield Dovetail. It may not fit the Springfield loaded guns or your particular gun. Springfield Armory sometimes uses a Novak Dovetail cut. You might have to check with Springfield to see what Dovetail your particular gun needs.