Massaro, Philip P.: - Philip P. Massaro has been editor of the Gun Digest Annual for five editions. He is the founder and president of Massaro Ballistic Laboratories, which creates custom-handloaded ammunition. He is a regular contributor to Cartridges of the World and the author ofABCs of Reloading, 10th edition, both from Gun Digest Books, along with an upcoming title, The Ballistics Handbook (Jan. 2024). Massaro is also the "Reloading Bench" columnist for Gun Digest the Magazine and a contributor to numerous other firearms magazines.