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Volumes

1. Vol 1 Overview & Decision Tree What the STEN is, the three build paths, and how to read this series
2. Vol 2 Manufacturing History — Design for Production Why the STEN exists, how it was made, and what it cost
3. Vol 3 Variant Catalog — Mk I through Mk VI The full STEN family, with the Mk II as the canonical war-fighter
4. Vol 4 Engineering & Reference Data — Drawings, Dimensions, Materials Original UK MoS drawings, US TM reproductions, community-reverse-engineered dim sheets, per-part engineering data
5. Vol 5 Vol 5 Build Path A — Buying an NFA Class III Original The pre-86 registered transferable path; Form 4 mechanics; market reality
6. Vol 6 Vol 6 Build Path B — Parts Kit + US-Made Semi-Auto Receiver The iconic US 'buy a kit and build' SMG project; 922(r) parts-count compliance
7. Vol 7 Build Path C — From Scratch in 9×19 (Lab Step-by-Step) The centerpiece lab build — every part fabricated in-house, op sequence per part
8. Vol 8 Vol 8 Sub-Assemblies & Components Per-part mechanics one layer below Vol 4 — receiver tube, bolt, FCG, magazine, stock
9. Vol 9 Vol 9 Materials & Finishing Period-correct steel grades; parkerized, oil-blacked, suncorite-painted; modern equivalents
10. Vol 10 Vol 10 Legal & Regulatory Posture NFA Class III; 922(r); closed-bolt-semi-auto since 1982; state SBR + imitation-firearm
11. Vol 11 Vol 11 Live-Fire Operation & Use Range procedure, ammunition, magazine handling, break-in, failure-mode diagnosis
12. Vol 12 Vol 12 Cheatsheet Laminate-ready synthesis — dim sheet, legal pivots, vendor reference, bibliography