I've never had a chance to shoot any of the Canadian SMG ammo, but I have shot some Israeli 9mm ball, as well as a BUNCH of Federal NATO-spec 124s. It's been years, but as I recall, the Israeli stuff I chronoed was 124gr., and was only a little hotter than Federal NATO-spec, which runs at about 1220-1240 fps. through my Hi-Powers, which seem to get a little more velocity than most barrels of the same length. I believe I was getting ca 1250fps. from the Israeli ammo. I've heard folks talk about the hot Canadian SMG ammo for years, but have never seen any.