Rock Island Auction Company

Lot 1406: World War II U.S. Auto-Ordnance M1A1 Submachine Gun

Auction Date: May 14, 2022

World War II U.S. Auto-Ordnance M1A1 Submachine Gun Class III/NFA C&R Fully Transferable Machine Gun

Price Realized:
Estimated Price: $22,500 - $35,000

World War II U.S. Auto-Ordnance M1A1 Submachine Gun Class III/NFA C&R Fully Transferable Machine Gun

Manufacturer: Auto Ordnance Corp
Model: Thompson M1A1
Type: Machine gun
Gauge: 45 ACP
Barrel: 10 inch round
Finish: parkerized
Stock: walnut
Item Views: 1476
Item Interest: Very Active
Serial Number:
Catalog Page: 284
Class: Class III

Developed in 1942, the M1A1 was the final wartime iteration of the Thompson SMG, with a final round of design changes to further streamline the design and speed production. While a number of bells and whistles were removed, the M1A1 was still a robust and powerful "heavy metal" SMG capable of standing tall among it's tube receiver brethren of the era. Blade front and fixed peep rear sight, with a small "P" stamp on the smooth barrel. A set of "GFC" and "FJA" inspection stamps are present on the front left of the receiver, with "S" (Savage subcontract) on the underside and a set of "RIA" and "FK" stamps for overhaul and re-inspection at Rock Island Arsenal on the left rear, along with the standard nomenclature, caliber and "U.S./PROPERTY" markings. The bolt is the M1A1 pattern, heavyweight with a fixed firing pin, narrow recoil spring, side-mounted charging handle and "AOC" on the rear. The trigger assembly is unnumbered, with a set of selector and safety levers. Fitted with a smooth horizontal forearm, grooved pistol grip and a fixed buttstock.

Rating Definition:

Very fine as arsenal refurbished, with 95% of the parkerization, showing some light handling marks and scratches overall. The furniture is also very fine, with some mild dings and handling marks. Mechanically excellent. NOTE: This weapon is a National Firearms Act (NFA), fully transferable Class 3, which is registered with the Bureau of Alcohol, Tobacco, Firearms and Explosives, (BATFE) that is classified as a "Curios or Relic" as defined in 27 CFR, 478.11. These weapons are still subject to the provisions of 18 U.S.C. Chapter 44 and 27 CFR part 478.

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