Ahhhh, Lew! Your memory is fading. The .45 cans held five rounds. I have the can. It is made of steel, painted gray on the outside. The top has, in red print within a red circle, “Cal. 45 H.E. ROUND WITH .006 SEC.DELAY 5 EA.”
I didn’t realize that MBA had anything to do with this round. Interesting. I had heard it was purely a Winchester product. The primed case certainly is Winchester, with the domed-nickel primer. Wish I had the round - it was in the box when I acquired it, but I had to leave the cartridge behind due to California law. I don’t recall if the round from my box had the “tabs” or not. I do remember that the bullet appeared to be like a hollow point with a bright red disc at the nose. Stupidly, I took no specs from the round (overall cartridge weight) which might have allowed me to know at least the approximate bullet weight.
I didn’t see my can before it was opened, but I suspect it was not taped together at the center, since there is a clear impression of a little “can opener key” that was attached to the side of it. The key is gone, but there is no mistaking what was there. From the sharp edges of the can, both top and bottom, and the fact that both top and bottom have the same diameter (meaning one does not fit into the other), I have to assume it was of the type that had a pre-weakened metal strip at the center that you peeled off with the key to open the can. For keeping this ammo totally dry and safe in combat conditions, that would also make more sense than tape. It may be that the key was taped to the can, however, although my can has zero evidence of having had tape on it anywhere. That, of course, doesn’t mean a thing - simply an observation.