Welcome to the website of Bill Wiseman & Co, Inc, The Leading Manufacturer of Ballistic Test Barrels and Receivers. Our company manufacturers a complete line of accuracy and pressure test barrels and universals receivers used throughout the firearms industry. Our products have become the industry standard for customers throughout the world who are involved in the design, development and testing of firearms, ammunition and ballistic protection technologies. Please do not hesitate to contact us for information about our company, our products and our services.