The end-mill cutter facilitates the rapid conversion of a standard 1911 frame to accommodate a Wilson/Nowlin ramped barrel with precision. It is designed for use with a lathe or milling machine to effectively remove the frame's feed ramp and correct factory imperfections commonly found in many frames, ensuring proper contact with the barrel feet. This tool contributes to a cleaner impact surface, reducing excessive battering and uneven stress on the feet, thereby extending the barrel's lifespan. Constructed from U.S.-sourced M42 high-speed tool steel blanks, it offers precise cutting surfaces that maintain sharpness. Its one-piece design eliminates the risk of components loosening during operation. The shank is sufficiently long to clear full-length dust covers.

The M42 cobalt cutter is engineered for precision cutting of frames specifically designed for Wilson or Nowlin-style barrels
It is also applicable for cleaning the vertical impact surface on a non-ramped barrel 45

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