Remington Rand 1911a1 Markings Official
| Production Period | Serial Range | Distinctive Markings | |------------------|--------------|----------------------| | Early 1942 | No. 1 – 700,000 (approx) | Smaller font, periods after "INC" and "N.Y." | | Late 1942 – 1943 | 700,000 – 1,600,000 | Larger font, no periods after "INC" or "N.Y." | | 1944 | 1,600,000 – 2,200,000 | Smooth slide sides (no "No." prefix on serial?) — see slide section | | 1945 | 2,200,000 – 2,618,405 | Late war finish changes, sometimes parkerizing over tool marks |
proof mark is typically located near the magazine release or on top of the slide. Slide Markings (Rollmarks) remington rand 1911a1 markings
A small "Ordnance wheel" or "crossed cannons" stamp is typically located on the right side of the frame behind the grip. Sight M1911 3. Inspector & Proof Marks | Production Period | Serial Range | Distinctive