May 29, 2024 · As World War II developed, engineers found ways to simplifying the Thompson submachine gun, and later M1 and M1A1 Thompsons were easier and less-expensive to produce.

Nov 1, 2002 · In September of 1942, Aberdeen Proving Ground was instructed to test “A modified version of the M1 submachine gun, that eliminated the firing pin, firing pin spring, the hammer and hammer pin”. The four parts were eliminated from the …

Oct 15, 2018 · This new M1 Thompson had eliminated at last the unique and unnecessary Blish lock system in favor of a simple blowback action delayed only by bolt mass. In addition to greatly simplifying the production of bolt components, this also allowed the receiver internal shape to be much simplified.

Feb 12, 2019 · The firing pin, spring, hammer and hammer pin were omitted. Later the “fixed” separate firing pin was eliminated and replaced by a fixed “firing pin” machined onto the bolt face. The presentation-grade M1A1 Thompson number 1244194 has a polished blue finish and hand-selected black walnut stock and grips.

Jul 1, 2002 · Like the 1928 and 1928A1, the early M1 Thompson used a separate firing pin and spring, that was the same as the ones used in the earlier models. A separate hammer was also used but the hammers for the M1 were configured differently than …

The Thompson submachine gun (also known as the "Tommy gun", "Chicago typewriter", or "trench broom") is a blowback-operated, selective-fire submachine gun, invented and developed by Brigadier General John T. Thompson, a United States Army officer, in 1918.

Apr 28, 2024 · This model replaced the hammer mechanism with a fixed firing pin. As a result, M1 production lasted only about 5 months. A total of 285,480 M1 Thompsons were made, but most of these were retrofitted to M1A1 configuration by simply swapping in the simpler new bolt. Finding intact M1 configuration guns is rather unusual today as a result.

Nov 25, 2021 · The Thompson submachine gun, also known as the Tommy gun, is a .45-caliber, air-cooled, blowback-operated weapon. An American icon, U.S. infantrymen carried the Thompson in the European, North African, and Pacific theaters of World War II …

Feb 26, 2016 · At the start of World War II, the Thompson was the only submachine gun commercially available to the Allies. But the guns were expensive to make. Savage and Auto-Ornance simplified the gun inside...

According to a World War II-era Thompson manual for GIs, “the Thompson Submachine Gun, Caliber .45, M1 is an air-cooled, blowback operated, magazine-fed weapon. It is designed to be fired from the shoulder of the gunner similarly to a rifle.