Auto-Ordnance Thompson Model 1927A1 TA5 .45 ACP Semi-Auto Pistol, 11-inch Finned Barrel, Walnut Furniture
This Auto-Ordnance Thompson Model of 1927A1 TA5 is a U.S.-made, semi-automatic Thompson-pattern pistol in .45 ACP with an 11-inch finned barrel and a crowned muzzle. The receiver is marked Auto-Ordnance (Kahr Arms), Worcester, Massachusetts, and carries a historical U.S. patent number block. It combines classic Thompson styling with a pistol configuration and includes two Thompson-pattern stick magazines.
Condition
Overall Condition: Very good condition, showing only light, superficial signs of prior handling or use.
Bore Overall Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: Minor surface scratches and small blemishes are present. The front sight is very slightly canted.
What’s Included
- Auto-Ordnance factory hard case with 'Thompson' logo
- Auto-Ordnance Thompson owner's manual
- 1x 20-round Thompson-pattern steel stick magazine
- 1x 30-round Thompson-pattern steel stick magazine
- U.S.-marked khaki web sling with metal hooks
- U.S. web pistol belt with suspenders (JT&L 1944 marked)
- U.S. canvas 5-cell Thompson stick magazine pouch
The TA5 is a semi-automatic Thompson-pattern pistol operating from a closed bolt with straight blowback action. Chambered in .45 ACP, it accepts Thompson-pattern stick and drum magazines, and comes here with both a 20-round and a 30-round stick magazine.
Its 11-inch finned barrel features a plain crowned muzzle with no Cutts compensator. The top-mounted charging knob (actuator) and a left-side manual safety mirror the classic Thompson control layout.
Sights consist of a flip-up ladder/aperture rear on a protected base paired with a fixed blade front. Walnut furniture includes a horizontal forend with an underside sling loop and a walnut pistol grip.
The receiver bears Auto-Ordnance (Kahr Arms) Worcester, Massachusetts markings along with a historical U.S. patent number block, underscoring the faithful Thompson lineage of this reproduction pistol.




