Negative.
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This update is for those interested in the the final resolution of the problem I had with a new, complete BCM 14.5, M4 profile upper not unlocking, or frankly, doing anything.
The complete upper including BCG was sent back to BCM.
It was there one morning and it's already been turned around so, yeah, BCM's customer service is pretty frakking awesome.
The problem: No pin in the gas tube.
Yeah, seriously. BCM was actually embarrassed that it slipped through that way. But I guess it happens to everybody once in a while.
But the good news is I got a great workout manually cycling the action using the BCM Gunfighter charging handle. After cycling a couple of hundred rounds by hand, I think I should have gone with a Mod 4 instead of a Mod 5. I thought the Mod 5 would be less likely to poke me in the chest or catch on things.
Awesome. Glad that you're good-to-go. Thanks for the follow up!