Originally Posted by
Roger
I now have three BCM uppers, one pre-production lower, and two production lowers. I also have and run the BCM bcgs. You can not go wrong with them. If you run your gun hard, or know someone who runs a gun hard, or even heard of someone who runs a gun hard, the BCM bcg is for you.
It slices, it dices, it makes julian fries. And if that's not enough, it may be one of the best investments you can make with regard to reliability.
Any bcg will work. But if you want the piece of mind that comes from a good part, then buy the BCM.