Book excerpt: THE AUTHORITATIVE M500/M590 HANDBOOK The indispensable technical manual for all Mossberg owners. 155 pages of clear, concise instructions and explanation. Full-size edition - LARGE 8.5" x 11" FORMAT: clear, detailed text & illustrations. Created and trusted by US military forces Complete & Unabridged. "Batteries last hours, books last decades: get the print edition!" Introduced in 1961, the Mossberg pump-action shotgun family has built a well-deserved reputation as being among the most rugged, reliable firearms in the world and remains a favorite of loyal military, law enforcement, home defense and sporting users alike, with over ten million sold. Created and trusted by the U.S. Army and clearly illustrated throughout, this technical manual provides the owner with all the information required to fully understand, correctly maintain and effectively repair this timeless, dependable weapon - a true American classic. GENERAL: Corrosion Prevention - Preparation for Storage - Abbreviations & Acronyms - Quality of Material - Safety, Care & Handling - Characteristics, Capabilities & Features - Major Components - Equipment Data - Theory of Operation OPERATOR INSTRUCTIONS: Controls & Indicators - Stoppages - Ammunition - Operation Under Unusual Conditions - Troubleshooting - Preventative Maintenance - Field Stripping - Cleaning - Lubrication - Checks UNIT MAINTENANCE: Service - Troubleshooting (Unit) - Preventative Maintenance (Unit) - Maintenance Instructions (500/590, Fore End, Barrel, Stock, Pistol Grip) DIRECT SUPPORT MAINTENANCE: Troubleshooting (Direct Support) - Maintenance (Direct Support) Instructions (Receiver Assembly, Bolt Assembly) - Illustrated List of Items - Ammunition Care & Usage SUPPORT INFORMATION: References - Repair Parts & Special Tools Lists - Cross Reference Index - Expendable Items List - Alphabetical Index Information purposes only. Proudly published in the U.S.A. by CARLILE MEDIA.