There is no "standard course of fire" other than the Classifier which is built on six shot strings anyhow.
New York MDs can set up CoFs as they like, within IDPA guidelines.
There is no need to fudge things to accommodate local conditions.
You will get 7+1 and 2X7 reloads, 22 rounds to get a maximum of 18 hits.
It might pay to stash some full size mags with a friend in a less repressive jurisdiction to use when you travel out of state.