Mossberg 500 and 590 Armorer’s Manual: TM 9-1005-338-13&P. Unit and Direct Support Maintenance with Parts and Tools List

This volume presents the official U.S. Army Technical Manual for unit and direct support maintenance of the Mossberg Model 500 and Model 590 12-gauge shotguns. Originally issued to soldiers and armorers, this manual delivers the same authoritative procedures used in military service for inspection, maintenance, troubleshooting, and repair.Inside you will find clear step-by-step guidance on field stripping, detailed component identification, preventive maintenance checks, and proper care of critical shotgun systems. The manual also includes an extensive Repair Parts and Special Tools List, enabling technicians, armorers, and serious owners to identify correct components, understand part relationships, and support long-term serviceability of these widely used pump-action shotguns.Written in the precise, no-nonsense style of U.S. Army technical publications, this book is both a practical working reference and a historically significant record of military small arms maintenance. It is valuable for veterans, gunsmiths, law enforcement professionals, competitive shooters, and firearms enthusiasts who want an authentic, professional-level maintenance resource.Reproduced by Milstar Books as part of the Military Doctrine Collection, this edition preserves a public domain government document in durable print format for study, reference, and long-term use. Whether you own a Mossberg 500, a Mossberg 590, or simply appreciate military technical manuals, this guide offers unmatched insight into the design, upkeep, and reliability of two of America’s most trusted shotguns. Read more