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Posted: 9/1/2008 5:56:19 PM EST
When I clean my bore the upper is upside down, i.e. the sights are pointing down. This means that the gas port is now on the bottom--could it be acting as a drain for bore cleaner/ poo-poo from the bore? I've always done it this way, never noticed any crud being blowin into the gas key or through it and into the bolt carrier.

Am I (1) legitimately concerned or (2) engaging in Arfcommer's favorite pastime--worrying about nothing?
Link Posted: 9/1/2008 6:00:58 PM EST
[Last Edit: 9/1/2008 6:01:49 PM EST by _DR]
(2) engaging in Arfcommer's favorite pastime--worrying about nothing.
Link Posted: 9/1/2008 6:27:57 PM EST

Originally Posted By _DR:
(2) engaging in Arfcommer's favorite pastime--worrying about nothing.


^ THIS ^
Link Posted: 9/2/2008 2:02:35 AM EST
Link Posted: 9/2/2008 4:04:56 AM EST

Originally Posted By QUIB:


Ever seen that green goo that sometimes forms on the inside of your FH? That’s copper residue reacting with residual bore solvent from cleaning. I like to think I’m preventing that from forming in my rifles gas system.



I have only ever used CLP brake break-free in my LE6920 since it was new, but it still gets the green copper residue in the FH.
Link Posted: 9/5/2008 1:25:48 PM EST

Originally Posted By _DR:

Originally Posted By QUIB:


Ever seen that green goo that sometimes forms on the inside of your FH? That’s copper residue reacting with residual bore solvent from cleaning. I like to think I’m preventing that from forming in my rifles gas system.



I have only ever used CLP brake break-free in my LE6920 since it was new, but it still gets the green copper residue in the FH.


the green goo is copper oxide, vaporized copper from the bullet is condensed there, and, over time, it oxidizes, some solvents may speed this up
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