A small P is usually found on the top of the slide (ahead of the rear sight) and on the left side of the frame near the magazine release. This indicates the pistol passed a high-pressure "proof" test. Barrel Markings

For collectors and enthusiasts today, understanding the markings on a Remington Rand 1911A1 is essential for authentication, dating, and valuation. This guide provides a comprehensive overview of every marking you are likely to encounter.

: Small numbers or letters are stamped on both the left and right forward loops of the trigger guard. These represent internal factory quality control and sub-inspector verification checkpoints.

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Because they were produced under extreme wartime pressure, are essential for identifying the specific production era, originality, and potential rebuild history of a firearm. 1. Serial Number Ranges and Production Years

Early guns (1942-1943) had a Du-Lite blue-black finish. Later guns (1944-1945) switched to a light gray or green-gray zinc parkerized finish.

These stamps verify official military acceptance and quality testing. FJA Stamp:

Stamped with an S and a P on the left side of the lug.

On the right side of the frame, you will see UNITED STATES PROPERTY and the designation M 1911 A1 U.S. ARMY .

The left side of the frame typically contains the manufacturer, model, and serial number.

: Found roughly between serial numbers 955,000 and 1,015,000. Layout : Two lines of text, with modified letter sizing. Text :REMINGTON RAND INC.Syracuse, N.Y. U.S.A.

The lettering size increased, resulting in a slightly wider stamp. Serial Range: Roughly 1,015,000 to 1,042,000. Type 3 (Late 1943 to 1945) Text: "REMINGTON RAND INC. / SYRACUSE, N.Y. U.S.A."

Remington Rand produced the largest number of 1911A1 pistols during WWII, and their markings evolved across three distinct production phases.

All Remington Rand 1911A1 frames feature the serial number stamped on the right side of the receiver, positioned just behind the slide stop pin hole.

The grips themselves were checkered walnut, nicked in places where a soldier had steadied his aim in a foxhole or cleaned the bore under a shaky lantern. A faint scar across one panel matched a notch on the frame—repair work carried out with patient hands in a maintenance tent. On the left front strap, beneath the trigger guard, someone had filed a shallow groove to steady a gloved thumb; it wasn’t factory work, but it had been done by someone who’d really used it.