SPECS:
Machined steel, matte black finish. .125" (3.1mm) wide notch. Available with two white dots (WD) or plain black (P/B). Wide Notch (WN) has .1540" (3.6mm) notch. 1911 LM, Browning HP/LM requires milling of slide, use 65° x.495" dovetail cutter. Fits later models with external, side extractors only.
Catalog page 128