I thought I was the only one with this problem. My V match arrived exactly as you described. I sent it back to bushmaster who who replaced the tube quickly and paid postage both ways. However, when I got it back, it was bent the other way! BM said it was UPS doing the damage,
So, I sent it back again to be replaced and received it a 3rd time BENT AGAIN!!!
BM said return it for replacement but what the hell, 3 of 3 is not good odds for getting it back any better, and the rifle was shooting good, real good and I didn't want them to mess with the barrel again.
I spoke with the BM gunsmith, Jim Eden as well as a few other AR smiths who assured me it would be okay to just bent it to center. I held the barrel in one hand with the butt on the floor and struck the tube smartly to center it up. It only took about 1/8 inch and it doesn't move now. No change in point of impact and all seems okay.
Apparently this is a one piece tube and either gets bent in assembly or shipping. I have a hard time believing it done in shipping, because the tube is not that delicate. As long as it doesn't touch the barrel or gas tube it won't hurt anything. But, it should be straight!
Well, thats my experience and its seems okay now. Don't let that guy try to twist it off with a pipe wrench!
Jarrod, I would love an answer on how these tubes are constructed (1 piece or barrel nut permanently attached to tube) and why/how this happens. Thanks.