For fun, and possibly a solution, you could try turning the 6-lug into a 5-lug. On all the strips I've used, the terminals are simply crimped on. You could try uncrimping one end terminal and the third terminal in from the same side, swap their positions and recrimp them - maybe adding a drop or two of crazy glue to the joint. The superfluous 6th lug at the end can be snapped off with a strong pair of wire snips or side cutters (warning, that bakelite or FR4 fibreboard stuff really flies when you snap a piece off -- wear glasses and do it away from others).
Worst case scenario: it doesn't work and you have to wait for the replacement from BH -- which is exactly the position you're in now.
cheers, Derek