Most Irregular is horse and musket rules extension to the Fast and Dirty skirmish rules, found on the same page.
horse and musket
Weight of Fire 1740 – 1790 Horse and Musket RUles
Weight of Fire is a set of free wargames rules for horse and musket era battles (1740 – 1790). The rules are designed for 25mm – 30mm figures on a 1:25 scale.
Morschauser Meets MacDuff Rules
Morschauser Meeds MacDuff is Ross Mcfarlaine’s attempt to merge Joseph Morschauser’s 1962 rules with other influences to create a fast play horse and musket set of rules.
Lace Wars Rules
I have occasionally wondered whatever became of Father Aelred, a frequent contributor to the late, lamented MWAN magazine. Here is a set of rules for Lace Wars in the “manner of the good father Aelred.”
King George’s Northwest Passage Skirmish Rules
King George’s Northwest Passage is a set of free wargames rules for skirmishes in the horse and musket period of 1680 – 1815. There are rules for special characters such as Hawkeye, Sharp and Blackbeard.