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12-25-2009, 07:36 PM
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#1
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Location: cookeville,tn
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copper deposits on barrel extention
was wondering if this is normal. i noticed copper deposits where the bolt and the barrel extension meet. shot 80 rounds on a new gun, bushmaster m4 is what i have. I'm new so forgive my ignorance. i did a search and found nothing.
joe
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12-25-2009, 11:11 PM
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#2
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Location: Central Florida
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If you didn't follow the proper break-in procedure, the barrel is gonna have some machining marks from where the rifling was cut, this can cause quite a bit of copper fouling. Did you do any sort of breaking-in of the barrel?
-Fred
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12-25-2009, 11:33 PM
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#3
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Location: Chesapeake
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just for my own sake at the least...what is the proper way to break in a barrel?
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"The 2nd Amendment...Washington didn't use his right to free speech to defeat the British, he shot them!"
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12-25-2009, 11:50 PM
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#4
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Fire a round, clean the barrel. Do that for 25 rounds. Then start shooting 3 rounds in between cleanings until your up to 50 rounds, then do 5 rounds in between cleaning until your up to 100 rounds. The point of doing this is to try to get the burrs from machining the rifling out before any amount of copper is allowed to build up.
-Fred
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12-25-2009, 11:52 PM
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#5
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sweet...i'm glad i found that out before i went shootin...now i just need to get a boresnake and i'll be set 
__________________
"Gun bans disarm victims, putting them at the mercy of murderers or terrorists who think nothing of breaking the gun laws."
"When guns are outlawed, only outlaws have guns"
“A fear of weapons is a sign of retarded sexual and emotional maturity” - Sigmund Freud
"The 2nd Amendment...Washington didn't use his right to free speech to defeat the British, he shot them!"
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12-25-2009, 11:57 PM
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#6
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Boresnakes are nice to take to the range and pull through every once in a while if your shooting a lot of rounds, but for a good cleaning, they're not the best. You'd be much better to get a good one piece rod with a free spinning handle, a copper brush, and a jag tip.
-Fred
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"Breathe when you can, shoot when you should."
-Rob Leatham
ΜΟΛΩΝ ΛΑΒΕ!
"Qui desiderat pacem, bellum praeparat; nemo provocare ne offendere audet quem intelliget superiorem esse pugnaturem"
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12-26-2009, 12:00 AM
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#7
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yeah i got a niice like 40something piece cleaning kit which i'll use when i get home along with my fav hops #9 but while i'm at the range breakin in i figure a boresnake would be fine....right?
__________________
"Gun bans disarm victims, putting them at the mercy of murderers or terrorists who think nothing of breaking the gun laws."
"When guns are outlawed, only outlaws have guns"
“A fear of weapons is a sign of retarded sexual and emotional maturity” - Sigmund Freud
"The 2nd Amendment...Washington didn't use his right to free speech to defeat the British, he shot them!"
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12-26-2009, 12:14 AM
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#8
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I wouldn't think so, but there are others here that would be better to ask on something like that. JD, Slo, all you other guys who have way too much knowledge for one brain, what say you? Boresnake good for breaking in a barrel?
-Fred
__________________
"Breathe when you can, shoot when you should."
-Rob Leatham
ΜΟΛΩΝ ΛΑΒΕ!
"Qui desiderat pacem, bellum praeparat; nemo provocare ne offendere audet quem intelliget superiorem esse pugnaturem"
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12-26-2009, 12:30 AM
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#9
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Location: cookeville,tn
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Quote:
Originally Posted by FCross7
If you didn't follow the proper break-in procedure, the barrel is gonna have some machining marks from where the rifling was cut, this can cause quite a bit of copper fouling. Did you do any sort of breaking-in of the barrel?
-Fred
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shot 20 rounds one at a time not getting crazy, cleaned, shot 40 more, cleaned. shot 20 more now about to clean weapon.
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12-26-2009, 02:25 AM
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#10
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Join Date: Nov 2007
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Quote:
Originally Posted by unknownhero82
yeah i got a niice like 40something piece cleaning kit which i'll use when i get home along with my fav hops #9 but while i'm at the range breakin in i figure a boresnake would be fine....right? |
Hey bradda, an Otis might do you better. Keeps you from dragging the fouling back through it each time.
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