Collection: CAC Ammunition Collection – Colonial Ammunition Co., Melbourne, Australia

This collection features ammunition manufactured by CAC – Colonial Ammunition Co., based in Melbourne, Australia, a key supplier of small-arms cartridges during the early to mid-20th century. CAC produced a variety of calibres, most notably .303 British, for both domestic use and export to Commonwealth forces. Rounds bearing the CAC headstamp reflect the company’s manufacturing standards and provide valuable insight into Australian ammunition production during both peacetime and wartime periods. The collection highlights variations in case materials, load types, and production dates, making it an excellent reference for collectors, historians, and researchers. Whether used for display, study, or comparison, CAC-marked ammunition illustrates Australia’s contribution to Commonwealth ordnance and the development of local arms manufacturing. These cartridges remain highly collectible and historically significant, forming a distinctive component of any ammunition or militaria collection.