Good question and I am no expert but being on the banks of the St. Lawrence would mean ready access to ship borne guns so I'd guess either way is workable. Also, unless you a die-hard insister on precise history, a little 'artistic' license is okay in building a game or a diorama even. The goal is to have fun, not be slavish to history (though I like to stay in the lane of history but maybe sometimes swerve about the lane).