The ejector itself is a spring. The reddish color is somewhat close to what would result from its being heat treated ("drawn down") to make it a spring, the temperature necessary for which is much greater than that at which a part is strawed. It may be that military ejectors occasionally skipped the subsequent bluing... but this is conjecture.
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"... Liberty is the seed and soil, the air and light, the dew and rain of progress, love and joy."-- Robert Greene Ingersoll 1894
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