Specifications for the
M1 Thompson (Tommy Gun)
Country of Origin: United States
Manufacturer: Savage Arms Corporation / Auto Ordnance Corporation - USA
Initial Year of Service: 1938
Overall Length: 813 mm (32.01 in)
Barrel Length: 267.00 mm (10.51 in)
Weight (Empty): 10.58 lb (4.80 kg)
Caliber*: .45 ACP
Action: Blow-Back System
Feed: 20- or 30- round box; 50-round drum
Muzzle Velocity: 920 ft/sec (280 m/sec)
Rate-of-Fire: 700 rounds per minute
Range: 656 ft (200 m; 219 yds)
Sights: flip-up adjustable rear sight
* Listed caliber(s) for firearms may be model dependent if more than one model type/chambering was produced. Always consult official manufacturer's information or a licensed dealer.
"Persuader" - Experimental Model; belt-feed; appearing in 1918.
"Annihilator" - Box-fed from 20- or 30-round magazine; developed in 1918 and 1919.
Model 1919 - 40 examples produced; 1,500 rounds per minute, cyclic; most without buttstocks; sans front sights; Colt .45 caliber
Model 1921 - Initial Quantitative Production Models; 15,000 produced; 800rpm.
Model 1923 - .45 Remington-Thompson cartridge; forearm attachment; bipod; bayonet lug.
BSA 1926 - Export Attempt; limited production.
Model 1927 - Based on the M1921 but fitting an open-bolt and semi-automatic fire.
Model 1927A3 - Semi-automatic, .22 caliber version; production by Auto-Ordnance of West Hurley.
Model 1927A5 - Semi-Automatic Pistol Version; .45ACP caliber; aluminum reciever.
M1927A1 TA5 - Kahr Arms Designation of M1927A5.
Model 1928 - First quantitative military model; based on the Model 1921; lower rate-of-fire.
M1928A1 - revisions to horizontal forend; military-type sling; 20- or 30-round box magazines or a 50-round drum compatability; 562,511 examples produced.
M1 - Simplified Thompson; reduced rate-of-fire to 600-700rpm; blowback operation; charging handle relocated to side of body; flip-up rear adjustable sight; new 30-round magazine.
M1A1 - Low-cost production model; simplified firing pin; stadardized 30-round magazine.
Kulsprutepistol m/40 - Swedish Designation
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