Fursniper Posted October 8, 2012 Share Posted October 8, 2012 So really, can one really get all the copper out? I mean it seems one can almost continually run patches through a bore with copper fouling remover and forever get blue patches, even out of a new barrel with relativly few rounds through it. Where does one draw the line on this?? Link to comment Share on other sites More sharing options...
benny hill Posted October 8, 2012 Share Posted October 8, 2012 Montana extreme copper killer. About 3 sessions. Link to comment Share on other sites More sharing options...
Biloxi23 Posted October 8, 2012 Share Posted October 8, 2012 50/50 mix of Shooter's choice and Kroil. Benchrest shootershave been using to for years. for a really "coppered" barrels, I use Sweet's 7.62. Caution: use in a well venilated area, and do not leave in the barrel too long as it contains ammonia. Most shoots will caution you not to use it on stainless barrels. In a case of a stainless barrel that was so fouled it wouldn't shoot well any way, I used the Sweet's but kept it in the barrell for 4-5 minutes before swabbing out with alcohol patches. Link to comment Share on other sites More sharing options...
larry weeks Posted October 19, 2012 Share Posted October 19, 2012 Coat the barrel with Sweets - make sure it's fresh - let is sit for a couple of minutes, follow with Hydrogen peroxide. Foams and makes a mess but really gets copper out. Link to comment Share on other sites More sharing options...
Fursniper Posted October 19, 2012 Author Share Posted October 19, 2012 Thanks Larry, sounds like a good routine. Seems like a guy can get patches with blue on them indefinately though. I just keep wondering when is enough. This is a fairly new AR barrel but it is stainless. Less than 200 rounds. Link to comment Share on other sites More sharing options...
Biloxi23 Posted October 19, 2012 Share Posted October 19, 2012 If you will check, most copper removal chemicals that contain copper reccommend that you do not use ammonia on stainless barrels. I shoot with several long range shooters that tell me the same thing. Link to comment Share on other sites More sharing options...
drysideshooter Posted October 21, 2012 Share Posted October 21, 2012 Coat the barrel with Sweets - make sure it's fresh - let is sit for a couple of minutes, follow with Hydrogen peroxide. Foams and makes a mess but really gets copper out. That's my routine too, at least on everything not stainless. I'm not sure why, but the newer Barnes rifle bullets don't seem to copper foul as much as they used to. Link to comment Share on other sites More sharing options...
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