My 5.56 Bolt

[browningautorifle]

There's usually a cake of carbon around the rings Frank. Pics would help to expound.

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[imntxs554]

There's usually a cake of carbon around the rings Frank. Pics would help to expound.

Thanks Jim..I don't really understand...I clean all my Rifles and Pistols everytime right after I shoot them...but your right with the my lighted magnifying glass there is cake right where you said Jim...I use really good cleaning material then I brush it apply more solvent and let it sit and wipe it down. I can see if I only cleaned them 2 or 3 days after Shooting them, but I'm thinking it's that black coating on it that's not helping getting it clean.