Fighting Brothers - ACW rules
Based on the Veni Vici Vici, Best Allies 18th century land battles rules. These stand-alone rules cover land battles in the American Civil war.
The basic fighting unit is a regiment or a battery of artillery. These are grouped into brigades, with brigades grouped into divisions and for really large battles into corps.
Turns are performed by alternate activation of brigades, with the quality of the commanders determining how many actions a brigade can make.
Basic unit types are: infantry, cavalry, artillery and skirmishers with different quality/skill levels.
Points system for units and army lists for points based games.
The army lists can be used to convert historical orders of battle, into lists for games.
—description from the publisher