The Remington M870 M1100 & M11-87 Shotguns Shop Manual is a comprehensive technical service guide for three of Remington's most popular shotgun models.Official Remington shop manual for M870 M1100 and M11-87 shotgunsDetailed technical specifications and schematicsStep-by-step repair and maintenance proceduresProfessional gunsmith reference materialCovers multiple shotgun models in one manualEssential reference for gunsmiths firearms technicians and serious shotgun enthusiasts who need authoritative technical information for proper maintenance and repair of these classic Remington shotgun models.