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Posted: 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? |
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