I picked up a few boxes of this today. 50 grain bullet and the LGS owner said 1050ish fps. That doesn't sound like Remington is claiming its subsonic, more like its not the hot stuff.
Base or Post commander has final say on what is and is not allowed on base/post. It's a military installation so I'm pretty sure the BATFE doesn't have authority over what is or is not there. Chances are it won't be allowed simply because the military leadership is terrified of members with...