Is this normal on a new mini-14?

slushee

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I bought a new stainless mini-14 mail ordered. I received it about a week ago and just finally got it out to give it a good cleaning and oiling before i take it out to shoot it for the first time.

I took the action out of the stock, and found there was some carbon inside around the gas block. Who fired it? Ruger? The place I bought it from?

Then after putting it all together and patching the bore with cleaner, dry patches and oil, i put a bore light down it to find there is copper marks all the way down the bore.

Shouldn't my hoppes #9 gotten this all out? I dont know, I just figured that even IF someone (ruger or the gun shop i bought it from) fired it to make sure that it works, they would have at least cleaned it out after.

I guess I'll have to break open the copper remover to clean out the bore better but for now, would the copper marks cause much in the way of inaccuracy?
 
This sounds like more than a few test shots, either that or the barrel has an exceptionally rough bore.

The last new rifle I bought was a Stevens 200 in 308, it hardly copper fouls at all after a 20 to 30 shot range session. I was impressed with how smooth the bore seemed to be. So heavy copper fouling after a few test shots doesn't sound right to me.
 
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