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Salt damage on Sportmaster lower

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Old 10-25-2010 | 09:38 PM
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Default Salt damage on Sportmaster lower

Any ideas on removing salt damage. (Streaking, tiny pitting).
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Old 10-25-2010 | 10:06 PM
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I used wet 800 grit sandpaper on my Imco lower. the tarnish came off very easily with a liberal application of water. The aluminum will clog up your sandpaper quickly if you try to do it dry. 800 grit wont get it shiny, more like the brushed aluminum/Satin look that they have from the factory.

I then put on a couple coats of wax just for good measure.
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Old 10-26-2010 | 05:06 AM
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Originally Posted by Philm
I used wet 800 grit sandpaper on my Imco lower. the tarnish came off very easily with a liberal application of water. The aluminum will clog up your sandpaper quickly if you try to do it dry. 800 grit wont get it shiny, more like the brushed aluminum/Satin look that they have from the factory.

I then put on a couple coats of wax just for good measure.
THanks. I'm not looking for a polished look. Just want them back to satin.
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Old 10-26-2010 | 07:02 PM
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An orbital sander with 60-80 grit paper will make a IMCO lower look just like new.

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Old 10-26-2010 | 10:54 PM
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Originally Posted by CB-BLR
An orbital sander with 60-80 grit paper will make a IMCO lower look just like new.

Chris
60 GRIT!!!

Dont do that too often or you will be seeing gears before you know it.

800 grit took off aluminum damn fast, i would think 60 grit would eat the hell out of it.
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Old 10-27-2010 | 12:21 AM
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Originally Posted by Philm
60 GRIT!!!

Dont do that too often or you will be seeing gears before you know it.

800 grit took off aluminum damn fast, i would think 60 grit would eat the hell out of it.
i agree,Even a scotch brite pad will work
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Old 10-27-2010 | 09:50 AM
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If you go over the lower very lightly with an orbital sander (60-80 grit)...It works great. I believe it is the same grit IMCO uses originally.

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