The US Army Pump-Action Combat Shotgun Technical Manual

Q: Who is this book for?

A: This technical manual is for owners of Mossberg 500- and 590-series pump-action shotguns, as well as armorers, gunsmiths, military and law-enforcement personnel, collectors, and readers who want an authoritative reference on the platform. It is particularly useful for owners who want considerably more technical detail than is normally provided in a basic consumer manual.

Q: What does the manual cover?

A: It covers the shotgun's components and operation, safety, ammunition, stoppages, troubleshooting, preventive maintenance, field stripping, cleaning and lubrication, along with more detailed unit- and direct-support maintenance information. It also includes repair-parts information, special-tool references, expendable-items lists, and illustrated technical material.

Q: Does the book cover both the Mossberg 500 and 590?

A: Yes. The manual addresses the military Mossberg 500 and 590 family and includes maintenance information applicable to major assemblies such as the fore end, barrel, stock, pistol grip, receiver, and bolt. Owners should still bear in mind that individual commercial configurations and later variants may differ from the military models documented here.

Q: Is this mainly an owner's manual or a technical maintenance manual?

A: It goes substantially beyond a conventional owner's manual. Basic operation, care, field stripping, cleaning, and troubleshooting are included, but the book also contains the progressively more detailed maintenance information originally intended for military personnel responsible for supporting and repairing the weapon.

Q: Is it useful if I mainly want to maintain my own shotgun?

A: Yes. Owners interested in understanding how the platform works will find detailed information on inspection, troubleshooting, cleaning, lubrication, preventive maintenance, and the relationship between its major components. The more advanced maintenance sections also make the book useful as a reference even when work beyond routine owner maintenance is left to a qualified professional.

Q: What makes an Army technical manual different from a commercial shotgun guide?

A: The emphasis is on standardized technical information rather than one author's opinions or preferred techniques. The manual documents the weapon as a system, explains its operation, and organizes inspection, troubleshooting, maintenance, and support information in the structured format used by the U.S. military.

Q: Does the book include illustrations and technical reference material?

A: Yes. The manual is illustrated throughout and includes technical diagrams and supporting reference material intended to help identify components and understand their relationship within the shotgun. This makes it particularly useful as a reference to keep alongside the firearm's ordinary consumer documentation.

Q: Is the physical edition suitable for workshop and reference use?

A: Yes. This complete edition runs to approximately 155 pages and is presented in a full-size 8.5 × 11-inch format, giving the technical text and illustrations substantially more room than a compact-format reproduction. It is well suited to repeated consultation rather than simply being read once from beginning to end.