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11/11/2007 12:34:30 PM EDT
I don't think that there is a problem with this, but I just thought I would check.  I have  a new Colt M4 upper that has 150 rounds down the tube.  I am very inclined to replace the stock BCG with one of Denny's Ion Bonded BCG that I received last week.  I don't suppose that there is a problem with doing this with so few rounds fired, is there?
11/12/2007 8:20:30 AM EDT
[#1]
There should be no problem swapping out.
11/12/2007 8:42:08 AM EDT
[#2]
I figured there wouldn't be, but I always consult the hive mind on things like this.
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