Model 1927 Thompson Semi Automatic Carbine

Published on March 13, 2019
Duration: 8:20

The Model 1927 Thompson is a rare semi-automatic variant of the iconic Thompson SMG, originally requested by security agencies for its intimidating look without full-auto liability. These firearms were modified from Model 1921s by Auto-Ordnance, featuring a unique semi-automatic fire control group and legally registered as machine guns due to their receiver construction. Original production was limited, and they are distinct from modern semi-auto replicas.

Quick Summary

The Model 1927 Thompson is a rare, NFA-registered semi-automatic firearm modified from the M1921 SMG. Developed for security agencies wanting its look without full-auto liability, it uses a modified fire control group and is legally a machine gun due to its receiver.

Chapters

  1. 00:00Introduction: Rare Model 1927 Thompson
  2. 00:30Historical Rationale for Semi-Auto Thompson
  3. 01:15Manufacturing & Modifications: 1921 to 1927
  4. 02:58Features & NFA Classification
  5. 03:51Internal Mechanics: Semi-Auto Function
  6. 05:19Rarity and Market Confusion

Frequently Asked Questions

What makes the Model 1927 Thompson unique?

The Model 1927 Thompson is unique because it's an NFA-registered machine gun manufactured to function only in semi-automatic mode, a modification requested by security agencies in the 1920s.

How was the Model 1927 Thompson made?

Auto-Ordnance modified existing Model 1921 submachine guns by altering the fire control group and restamping markings to designate them as 'Model of 1927' and 'Semi-Automatic Carbine'.

Is the Model 1927 Thompson legally a machine gun?

Yes, the Model 1927 Thompson is legally classified as a machine gun under NFA regulations because it uses a machine gun receiver, even though it fires semi-automatically.

How rare are original Model 1927 Thompsons?

Original Model 1927 Thompsons are very rare, with only an estimated 100 to 150 units ever produced. They are often confused with modern semi-automatic replicas.

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