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Old 07-22-2019, 06:57 PM
Flintlock28's Avatar
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Different Steels will react differently, to cold bluing. I generally find that oxpho-Blue is one of the best, but sometimes something like Van's instant Gun Blue, will work better. Recently a Friend asked me to touch up a Mosin-nagant, and whatever Steel makeup it is, it just didn't like to darken up hardly at all.

Heating up the Steel is also a good way of opening up the Steel's pores, and this tends to speed up the darkening process.
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