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.45 Remington-Thompson)
| .45 Remington–Thompson | ||||||||
|---|---|---|---|---|---|---|---|---|
 .45 Long cartridge for the Thompson M1923 experimental SMG | ||||||||
| Place of origin | Experimental military round | |||||||
| Production history | ||||||||
| Designed | 1923 | |||||||
| Specifications | ||||||||
| Parent case | .45 ACP | |||||||
| Bullet diameter | .447 in (11.4 mm) [1] | |||||||
| Case length | 1 in (25 mm) (about 1⁄8 in (3.2 mm) longer than the .45 ACP) | |||||||
| Ballistic performance | ||||||||
| ||||||||
| Test barrel length: 14 in (356 mm) | ||||||||
The .45 Remington–Thompson (11.4x25mm) was an experimental firearms cartridge designed by Remington Arms and Auto Ordnance for the Model 1923 Thompson submachine gun, a variant of the Model 1921 with a longer barrel, with the intent of increasing the power and range of the weapon. [2] [4] While some variants of the 1923 were produced, the rifle and round did not find commercial success. [4]
- ^ a b Frank C. Barnes (2014). Cartridges of the World: A Complete and Illustrated Reference for Over 1500 Cartridges. F+W Media, Inc. p. 519. ISBN 978-1-4402-4265-6.
- ^ a b c Daniel D. Musgrave; Thomas B. Nelson (1967). The World's Assault Rifles and Automatic Carbines. T. B. N. Enterprises.
- ^ Johnston, Gary Paul, & Nelson, Thomas B. The World's Assault Rifles (Lorton, VA: Ironside International Publishers, Inc, 2010), no p#. (at Google Books)
- ^ a b Ned Schwing (2005). Standard Catalog of Military Firearms: The Collector's Price and Reference Guide. Krause Publications. p. 369. ISBN 0-87349-902-6.