High Standard Serial Numbers and Production Dates (1945–1951)
Features a 7.75-inch integral suppressor that reduced the report to roughly 77–114 decibels—described as sounding like a "muffled cough".
Exposed hammer, adjustable rear sights for windage and elevation, and a last-round hold-open feature. Serial Number Ranges & Identification
Regardless of the serial number, these pistols are designed for Standard Velocity ammunition only
Between 1942 and 1946, High Standard produced approximately 140,000 Model HD Military pistols. These were used primarily by the U.S. Army Air Corps and the Navy for aerial gunnery training and basic pistol marksmanship. The "HD" stood for "Heavy Duty" or "Heavy Barrel," though some debate exists. Regardless, the pistol’s accuracy is legendary.
If you are a collector of World War II firearms, you know the names Colt, Smith & Wesson, and Walther. However, few pistols played a more critical role in Allied marksmanship training than the . Today, searches for "histandard model hd military serial numbers best" dominate collector forums. Why? Because the serial number is the DNA of these pistols. It tells you if your gun is a rare early production model, a common wartime trainer, or a coveted "U.S. Property" marked artifact.
Below is a comprehensive, paper-style reference guide based on available historical data, collector resources, and factory records. This should serve as a ready-to-use informational paper.
Serial numbers are the DNA, but the features determine the grade. Here is a checklist for finding the best specimen.
The absolute holy grail of High Standard collecting is the . The Office of Strategic Services (OSS)—the precursor to the modern CIA—commissioned roughly 2,600 of these pistols featuring an integral suppressor designed by Bell Laboratories. They reduced the firing sound to a whisper (under 20 decibels).
