Auto-Ordnance Thompson Tommy Gun 1927-A1 .45ACP 16” Semi-Auto rifle
SOLD FOR: $1,230.00
LSB#: LSB260218PF013
Make: Auto-Ordnance
Model: Model of 1927-A1
Serial Number: 9679
Year of Manufacture: Modern
Caliber: .45 ACP
Action Type: Semi-Automatic Closed Bolt Blowback with Detachable Magazine
Markings: The top of the receiver is marked with a bullet-shaped trademark stamp. The right side of the receiver is marked with the US Patents and “AUTO-ORDNANCE CORPORATION WEST HURLEY NEW YORK”. The left side of the receiver is marked with “MODEL OF 1927 A1 NO. 9679” “THOMPSON SEMI-AUTOMATIC CARBINE CALIBER .45 AUTOMATIC CARTRIDGE” “FIRE/SAFE”.
Barrel Length: 16”
Sights / Optics: The front sight is a blade fixed to the barrel. The rear of the receiver has a fixed peep sight riveted to the receiver.
Stock Configuration & Condition: The stock is a three piece walnut set with a finger grooved forend w/ sling loop, pistol grip with finger groove, and straight dropped combed stock with a sling loop, and steel buttplate w/ storage door. There are light scratches and pressure dents throughout. There are no chips or cracks. The LOP is 16 3/4” from front of the trigger to the back of the buttplate. The stocks rate in Very Good + overall condition.
Magazine Quantity & Condition: 4x Steel 30rd stick magazines in Very Good condition.
Type of Finish: Blued
Finish Originality: Original
Bore Condition: The bore is bright and the rifling is sharp. There is no erosion in the bore but there is some faint stubborn fouling. In this writer’s opinion the bore rates 9/10.
Overall Condition: The rifle retains about 98% of its original metal finish. There are light scratches and handling marks throughout. The action has light wear. The screw heads are sharp and serviceable. The markings are clear. Overall this rifle rates in about Very Good to Excellent overall condition.
Box, Paperwork & Accessories: 4x Magazines, paperwork.
Our Assessment: The Auto-Ordnance Model of 1927 A1 is a semi-automatic civilian version of the iconic Thompson submachine gun, a design that gained worldwide recognition during the early 20th century. Originally developed by General John T. Thompson and adopted in various forms by military and law enforcement agencies, the Thompson became closely associated with both wartime service and early American law enforcement history. The modern 1927 A1 retains the visual profile and handling characteristics of the original while utilizing a closed bolt, semi-automatic blowback system. Chambered in .45 ACP, a cartridge introduced in 1905 and widely known for its effective performance and manageable recoil, the platform continues to reflect the historical influence of the Thompson design. This example presents in very good to excellent overall condition, retaining approximately 98 percent of its original finish with light scratches and handling marks visible throughout. The bore is bright with sharp rifling and only minor fouling present, supporting consistent performance. The three-piece walnut furniture set shows light wear in the form of minor scratches and pressure dents but remains structurally sound with no cracks. The rifle is equipped with a fixed blade front sight and a riveted peep rear sight, maintaining the traditional sighting system. The included four 30-round steel magazines and accompanying paperwork contribute to a complete and functional package.
The 1927 A1 represents a modern continuation of one of the most recognizable firearm designs in American history, combining classic styling with contemporary semi-automatic operation. Its strong condition, period-correct appearance, and included accessories enhance its overall presentation as a representative example of the Thompson platform. With its distinctive profile and historical lineage, it remains a notable piece reflecting the enduring legacy of the Thompson design. -R.E.