M40A1 — the Marine Sniper Rifle, and a Clone

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Volumes

1. Vol 1 The M40 — a Commercial Rifle Goes to Vietnam, 1966 Seven hundred Remingtons, a variable scope with a rangefinder, a wooden stock, and what four years of monsoon did to them
2. Vol 2 The M40A1 — the Rifle Quantico Built A fibreglass stock, a stainless barrel, a welded lug, a Winchester floorplate and a fixed 10× Unertl — and the twist rate the Corps's own manual settles
3. Vol 3 M40A3, M40A5, M40A6 — and the End of the Line An adjustable McMillan A-4, a 30 MOA rail, a variable scope in combat, a threaded muzzle, a folding chassis — and a .300 Win Mag successor
4. Vol 4 How the Remington 700 Works A turned receiver, a two-lug bolt with a recessed face, a clip extractor, cock-on-opening, and three generations of trigger
5. Vol 5 Field Strip, Detail Strip and Maintenance What the maker's manual and the Marine Corps's own sniping manual let an owner take apart, how they clean it, and where both draw the line
6. Vol 6 Repair — Faults, the Trigger Record, Extractors and Bedding Diagnosing a Model 700, what the court and the recall notice actually say about its triggers, and what an owner fixes against what a gunsmith does
7. Vol 7 Building a Clone — Donor, Action, Barrel, Stock, Bottom Metal and Rail Replica or clone, the two build paths, and what a shop with a lathe, a mill and a CNC router can do that a parts order cannot
8. Vol 8 The Rifle Documented Here — September 2026 A Remington 700 SPS Varmint being built as an M40A1 clone: what is fitted, what is on the bench, what is undecided, and what is still to be confirmed