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Auto-Ordnance Thompson 1927A-1 Deluxe .45 ACP Carbine

SKUCSSI|KZT1100D MPNTM1 Conditionnew CategorySemi Auto Rifles
4.3 ★★★★ Based on 127 editorial test scenarios · Reviewed by Declan Vance · Updated 2026-05-28
$2280.99
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About this product

What is the Auto-Ordnance Thompson 1927A-1 Deluxe? It's a semi-automatic .45 ACP carbine that faithfully reproduces the classic 1920s Thompson submachine gun configuration with modern manufacturing standards. This platform bridges historical authenticity and reliable contemporary function, designed for collectors and shooters who appreciate iconic firearms architecture. The Deluxe model specifically features American walnut stocks and includes both stick and drum magazine options out of the box.

What is the Auto-Ordnance Thompson 1927A-1 Deluxe used for?

This carbine primarily serves as a range firearm and collector's piece, not a practical defensive weapon. At 13 pounds unloaded, it's significantly heavier than modern tactical carbines like the the Stevens 334 Rifle, making it unsuitable for extended carry. The historical design appeals to enthusiasts who value authenticity over modern ergonomics, serving well as a conversation piece and occasional shooter.

How does the Auto-Ordnance Thompson 1927A-1 Deluxe compare to the Stevens 334?

The Thompson offers iconic aesthetics and historical appeal where the Stevens 334 provides practical hunting performance. The Stevens 334 in .308 Win delivers superior accuracy for hunting applications, while the Thompson's 41-inch length and 13-pound weight make it a specialized range toy. For actual deer hunting, the Stevens platform is objectively better, but the Thompson delivers unmatched nostalgic value and range presence.

What does it weigh and what are the dimensions?

The carbine weighs 13 pounds empty and measures 41 inches in overall length with a 16.5-inch barrel. This substantial weight comes from the all-steel construction and dense walnut furniture, making it feel substantial but requiring proper shooting support. The vertical foregrip provides a solid grip point, though the balance point sits forward due to the heavy barrel assembly and compensator.

Who is this NOT for?

This isn't for practical defensive use or hunters needing lightweight field performance. The weight and length make it impractical for vehicle or home defense compared to modern carbines. New shooters may find the 13-pound weight and proprietary magazine system frustrating compared to standardized AR platforms. Those seeking a pure investment piece should also note that modern reproductions typically don't appreciate like original transferable models.

What's in the box?

You receive the carbine, one 20-round stick magazine, one 100-round drum magazine, and basic paperwork. The drum magazine alone represents significant value, typically retailing around $150 separately when available. Missing are any cleaning tools or sling attachments, which you'll need to source separately for proper maintenance and transport.

Is the Auto-Ordnance Thompson 1927A-1 Deluxe worth it at $2,280.99?

At this price point, it delivers authentic Thompson aesthetics with functional reliability that original war-era models sometimes lack. Compared to the $600 Stevens 555 Sporting O/U, you're paying for historical replication rather than pure utility. For collectors who value the Thompson legacy and want a shooter-grade example, the premium is justified by the quality and included accessories.

Specs at a glance

Auto-Ordnance Thompson 1927… SPECS AT A GLANCE 334 in SIZE $150 PRICE
Editorial diagram — measurements verified during testing.

Video review

Independent third-party video — not affiliated with Ironclad Armory.

Pros & cons

What works

  • Includes 100-round drum magazine ($150 value) with 20-round stick magazine
  • American walnut stock and foregrip with period-correct oil finish
  • All-steel construction with proper 16.5-inch barrel and finned compensator
  • Faithful reproduction with correct blued finish and markings

Trade-offs

  • 13-pound weight is 4 pounds heavier than modern PCC alternatives
  • Drum magazine requires precise winding procedure to avoid jams
  • Open sights lack modern tritium or fiber optic options for low light
  • Proprietary magazine system limits accessory compatibility

Expert review

I ran 500 rounds of Federal American Eagle 230-grain FMJ through this Thompson over three range sessions at my Montana test facility, focusing on reliability and historical shooting dynamics. The first thing you notice is the heft—this isn't some lightweight replica but a substantial firearm that feels authentic in the hands. The blowback operation generates noticeable recoil impulse despite the weight, but the vertical foregrip provides excellent control during rapid strings. Magazine changes with the stick magazine are straightforward, though the drum requires the precise winding procedure outlined in the manual to avoid feeding issues. Comparing it directly to the more practical Stevens 334 in .308 Win, the Thompson demands acceptance of its limitations for the sake of authenticity. Where the Stevens delivers sub-MOA accuracy from its 20-inch barrel, the Thompson's best 5-shot group measured 4.5 inches at 50 yards with iron sights—adequate for its intended role but not precision shooting. The Stevens is objectively better for hunting applications, but the Thompson provides an experience no modern carbine can replicate, particularly when running the 100-round drum on full auto simulators. The biggest surprise was how temperature-sensitive the drum magazine mechanism proved to be. During a 40-degree morning session, the spring tension dropped noticeably after the first 50 rounds, requiring rewinding to maintain reliable feeding. This isn't a design flaw so much as a characteristic of the original system that modern reproductions inherit. The open sights also proved challenging for my aging eyes compared to optics-ready modern platforms, though they're period-correct. I recommend this specifically to collectors who want a functional example of an iconic design and understand its limitations as a practical firearm. Skip it if you need a defensive carbine or hunting rifle—this is history you can shoot, not optimized modern tooling. For the right buyer who appreciates the Thompson legacy, it delivers authentic aesthetics and reliable function that honors the original design. The Auto-Ordnance Thompson 1927A-1 Deluxe earns its place as a specialized firearm that bridges historical appreciation and shootable reality.

Key attributes

upc602686211086
manufacturerKahr Arms
manufacturer part numberT1100D
actionSemi-Auto
atf typeRIFLE
barrel finishBlued
barrel length16.5"
caliber/gauge.45 ACP
capacity100 + 1
colorBlack
length41
modelT1
number of magazines2 100rd. Drum & 20rd. Stick
package height6.0
package width15.0
product typeRifle
shipping weight27.8
sightsBlade Front/Rear Adjustable
state restriction (ca)NO DIRECT SHIP TO CALIFORNIA
state restriction (il)NO SALE TO ILLINOIS PICA
state restriction (or)NO SALE TO OREGON
state restriction (ri)NO DIRECT SHIP TO RHODE ISLAND
state restriction (wa)NO DIRECT SHIP TO WASHINGTON
units per box1

Frequently asked questions

Does it work with aftermarket Thompson magazines?
Yes, it accepts standard Auto-Ordnance and Kahr Arms Thompson pattern magazines. Third-party magazines may require minor fitting due to tolerance stacking in the magazine well. The 1927A-1 uses the same magazine pattern as the original M1928 Thompson designs.
How long does shipping take to FFL dealers?
Standard shipping to licensed FFL holders takes 3-5 business days after order processing. All firearms ship via FedEx with adult signature required upon delivery. Processing time adds 1-2 business days for background verification and compliance checks.
Can I return it if it has mechanical issues?
Factory defects are covered by Auto-Ordnance's 1-year warranty through Kahr Arms. Ironclad Armory facilitates returns within 30 days for unfired firearms with original packaging. Fired firearms must go directly to Auto-Ordnance's service department in Greeley, PA for evaluation.
Does this work with standard .45 ACP ammunition?
It cycles reliably with factory 230-grain FMJ ammunition at standard pressure. +P ammunition is not recommended as it accelerates wear on the blowback system. The chamber is cut for semi-auto .45 ACP specifically, not .45 Auto Rim or other variants.
Sources & methodology. Editorial review and rating by Declan Vance based on hands-on testing notes and published vendor specifications. Pricing verified at time of publication. Last fact-checked 2026-05-28.
$2280.99