The definitive, highly detailed gunsmithing and repair manual for this family of pumpaction shotguns, packed with hundreds of clear photos and illustrations. Coverage includes troubleshooting and problem solving (with causes and remedies for shell/action jams), full disassembly and reassembly procedures, exploded parts diagrams, parts inspection and identification for early and latestyle components, modelspecific differences, and complete repair techniques. The manual also details headspace checks, installation of oversize locking blocks, shelllatch installation and staking, interceptor latch service, chamber throating, triggerplate and safetyswitch conversions, screwin choke tube installation, barrel dent removal, ventrib straightening, and conversion methods for nowobsolete barrels. Comprehensive reference tables (gas ports, chokes) and a listing of specialty tools and sources are included, making this an essential workshop resource for professional gunsmiths and advanced hobbyists.