Brownells 3/16" 4-Flute Solid Carbide End Mill

The most efficient method for achieving a precise and clean cut in hardened steels is to use this tool. It is ideal for modifying 1911 slides to accommodate low-mount style rear sights. Begin by cutting the majority of the slot with a mill, then complete the process with a dovetail cutter. This approach extends the tool's lifespan when used with softer metals. A 3/16 inches diameter cutter is recommended for converting Remington M-700 bolts to accept Sako-style extractors. 3/16 inches shank diameter, 5/8 inches cut length