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Military Firearm Restoration Corner
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ghost95

Cold Bluing Tips.

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Hello again. I just cold blued a marlin 336 and it came out beautiful but...the screws won't take the blueing. Any advice for getting the screws to take the bluing. I'm using the oxphoblue creme. So far I love the creme. It seems much easier to work with than the liquid.

 

Thanks for any tips with the screws. By the way, I've already tried heating and polishing the parts.

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The screws may be a different metal that won't blue. I've used that cream stuff and it works great on anything that will blue, which is a rust (oxydative) reaction. Will they stick to a magnet?

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Yep, flame blueing is an old 'trick of the trade' that works very well.

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I use Birchwood-Casey "Super-Blue" for parts containing high carbon, nickle, other hard parts blueing.

 

JM2c

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Flame bluing??? Whats that?

Heat the screw head until it turns blue then immediately quench in oil.

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