The Journal of Historic Armsmaking Technology (JHAT) books which were originally printed in 1987-1993 have been reprinted. While the covers have changed the inside contents are the same as the original versions. These books were a joint venture between Western Kentucky University, Bowling Green, Kentucky and the National Muzzle Loading Rifle Association.

Volume I � Originally printed February 1986
The Production of Flintlocks Used on Colonial American Rifles: Raw Materials, Tools, and Technology by Gary Brumfield.

Volume II � Originally printed June 1987
Two Virginia Rifles as Documents of Traditions, Shop Tools, Processes, and Technology by Wallace B. Gusler
The Golden Mean Proportion in Baroque and Rococo Firearms Design: an Art-Historical Approach by Barry C. Bohnet
A Patchbox Release Mechanism by David Wagner
A Barrel Crowning Tool by David Wagner
Making and Using a Scratch-Stock for Forearm Moldings by Russell L. Swanson

Volume III � Originally printed June 1988
Handwerke und Kunste in Tabellen by P.N. Sprengel
The Brandenburg School of Gunmaking by George Shumway

Volume IV � Originally printed January 1991
Handwerke and kunste in Tabellen The Gunfactory by P.N. Sprengel
A Study Of Lock Timing by Larry Pletcher
A Wheellock Mainspring Vise by George Shumway

Volume V � Originally printed June 1993
Riflemaking Workmanship: A Rifle by John Sheetz by Wallace Gusler & David Harvey
Charcoal Bluing of Rifle Barrels by James Anderson
Cock Forging: A Study in Technology by Gary Brumfield
Ramrod and Walking Stick Tool by Lynton McKenzie