The Browning Machine Gun - Semper Fie Fifty: Volume 4;

This is the fourth and final volume in Collector Grade's monumental series on the Browning machine gun. Volume Four covers the same basic topics as the three previous volumes, but from the exclusive standpoint of the .50 caliber Browning, which has been in continuous service longer than any other weapon in the U.S. arsenal, and is still in use today in the inventories of 86 countries worldwide.