Submachine Gun, Cal. .45, M1928A1, Thompson
Submachine Gun, Cal. .45, M1/M1A1, Thompson
The M1928A1 "Tommy Gun", a delayed blowback submachine gun, was issued to armored and reconnaissance units. It was selective for semi- or fully-automatic fire. It fired a .45 cal. cartridge in 20- or 30-round magazines, or a 50-round drum. It had a leaf with aperture notch battle sight. It's rate of fire was 600-725 spm. The M1928A1 had a removable buttstock. Most had a horizontal fore grip, but some had a vertical fore grip. The M1928A1 was relatively heavy, and expensive in use of materials, machine time, and machine tools.
The Submachine Gun, Cal. .45, M1/M1A1 Thompson was a blowback submachine gun. It was selective for semi- or fully-automatic fire. It fired a .45 cal. cartridge in 20- or 30-round magazines. It's rate of fire was 700 spm. The gun was reliable, and continued to operate when similar weapons would have failed due to exposure to battle-field conditions (354,000).
- M1 Thompson was a redesign of the model M1928A1 to simplify production. The M1 had a permanently attached buttstock and a spring-loaded firing pin like the M1928A1. The M1 would not accept the M1928A1 drum type magazine. The M1 had a simple fixed aperture rear sight.
- M1A1 differed from the M1 only in having the firing pin machined into the face of the bolt.
|
NEWSLETTER
|
| Join the GlobalSecurity.org mailing list |
|
|
|
