d20 Module - Blackpowder Firearms

A 3.X Compatible Manual on handling customised firearms and cannons in your games.  Expanded rules and equipment for gun nuts and weapons nerds who want deeper options and some luxury purchases to save up for- especially the enterprising captain lusting after a fully equipped 50-gun galley.  Optional Rules, physics simulations, and world-building commentary for GMs to pilfer as they see fit.  Advanced feats for Gunsmiths, Crafters, Combat Casters, and Martials.

All in a compact 17 pages.