At the end of WW2 the Canadian Military was searching for a new service handgun and the 45 Brigadier was developed by the North America Arms Corporation for them. The gun they developed was based on a scaled up version of the FN GP35 pistol. The cartridge was a longer and strengthened version of the 45 ACP, but ultimately was not a success as the standardisation by NATO effectively killed the project. The 45 Brigadier was “revived” in 1979 with Winchester’s development of the 45 Win Mag. (Erlmeier, Brandt Ref. 435A).