Thompson M1928 vs. Thompson M1A1

Attribute	Thompson M1928	Thompson M1A1
Manufacturer	Auto-Ordnance Corporation	Auto-Ordnance Corporation
Weight	10.8 lbs	10.6 lbs
Length	33.5 inches	32 inches
Caliber	.45 ACP	.45 ACP
Rate of Fire	600-725 rounds/min	700 rounds/min
Effective Range	50-150 meters	50-100 meters

History

The Thompson submachine gun, also known as the Tommy Gun, was developed in the early 1920s by General John T. Thompson. The Thompson M1928 was the first model to be produced and was used by law enforcement agencies, military forces, and criminals during the Prohibition era. The Thompson M1A1, on the other hand, was introduced in 1942 during World War II as a simplified and more cost-effective version of the original M1928.

Design

The Thompson M1928 features a distinctive finned barrel, a Cutts compensator, and a vertical foregrip. It also has a distinctive drum magazine that holds 50 rounds. The M1A1, on the other hand, has a simplified design with a smooth barrel, no compensator, and a horizontal foregrip. It uses a box magazine that holds 20 or 30 rounds. The M1A1 was designed to be more lightweight and easier to manufacture than the M1928.

Caliber

Both the Thompson M1928 and M1A1 fire the .45 ACP (Automatic Colt Pistol) cartridge. This caliber was chosen for its stopping power and effectiveness in close-quarters combat. The .45 ACP round is known for its ability to deliver a heavy impact on targets, making it a popular choice for submachine guns during the early to mid-20th century.

Rate of Fire

The Thompson M1928 has a cyclic rate of fire of around 600-725 rounds per minute. This high rate of fire can be difficult to control, especially in full-auto mode. The M1A1, on the other hand, has a slightly lower rate of fire of around 600 rounds per minute. This makes it easier to handle and more controllable during sustained fire.

Accuracy

Due to its heavier weight and slower rate of fire, the Thompson M1928 is generally considered to be more accurate than the M1A1. The M1928's finned barrel and compensator also help to reduce muzzle climb and improve overall accuracy. The M1A1, while still accurate within close ranges, may be slightly less precise due to its lighter weight and simplified design.

Reliability

Both the Thompson M1928 and M1A1 are known for their reliability and durability. The M1928, with its more complex design, may require more maintenance and care to keep it in working order. The M1A1, with its simplified design, is often considered to be more reliable and easier to maintain in the field. Both models have a reputation for being able to withstand harsh conditions and continue to function reliably.

Popularity

The Thompson M1928 gained popularity during the Prohibition era in the United States, where it was used by both law enforcement agencies and criminals. Its iconic design and association with gangsters like Al Capone have made it a symbol of that time period. The M1A1, on the other hand, became popular during World War II and was used by American troops in various theaters of war. Its more practical design and ease of use made it a favorite among soldiers.

Conclusion

Overall, the Thompson M1928 and M1A1 are both iconic submachine guns with their own unique attributes. The M1928 is known for its distinctive design, high rate of fire, and accuracy, while the M1A1 is praised for its simplicity, reliability, and ease of maintenance. Both models have played important roles in history and have left a lasting impact on firearms design. Whether you prefer the classic look of the M1928 or the practicality of the M1A1, both Thompson submachine guns are sure to impress.