On the Muzzleloader forum board they have a Rev War subsection. You have to join in order to read and post there.
www.muzzleloadingforum.com
There are members that have explored the historical aspects of the War and are more than willing to share.
As far as the war, The British colonial stores of First Model long land pattern Brown Bess and the 2nd models in the colonies, were quickly raided and seized. Many French Fusil's de Chasse and Ordinaire were pressed into service. A mix of English Ketlands to Prussian Potsdam muskets were in supply. Even much earlier Dutch Club Butt fowlers were pressed into service. French Charleville muskets were also used.
I think a good look into the American long rifle would be a great place to start your research. Long range marksmanship using these guns, and sniping the British troops, along with the tactics the colonists used would make a interesting subject. Indian style tactics and how the colonists had adapted to them would be another....
Muskets of the Revolution & French & Indian Wars, the Smoothbore Longarm in Early America, including British, French, Dutch, German, Spanish and American Weapons book by Bill Ahearn . .
Soldiers of the American Revolution, by Don Troaini
Swords & Blades of the American Revolution, by George C. Newmann
United States Martial Flintlocks by Robert Reilly