Colt pistol Model 1911

Pistolet Colt modèle 1911 a expliqué

Development of the .45 ACP caliber cartridge

- Adaptation of the Model 1902 "Military" in .45 caliber

- The weakness of the barrel links

- The question of the most suitable caliber for a military pistol

- The conclusions drawn from the experiments

- The essential features in a service handgun

Colt pistol Model 1905 in .45 caliber

- The Colt Model 1905 specific features

- In early 1907, a new variation

- English official tests

- Variations & Serial numbers of the Colt Model 1905

U.S. Army official tests of 1907

- Nine constructors submitted models

- Luger pistol in .45 ACP caliber

- Savage pistol in .45 ACP caliber

- A modified version of the Model 1905

- Several modifications of the Colt 1905 required

- A loaded chamber indicator and a grip safety

Colt Model 1909

- Description of the Model 1909

- Phantom view of the Model 1909

- Operation of the Model 1909

- Experimental thumb safeties

- Phantom view of the Browning thumb safety

Colt Model 1910

- Description of the Model 1910

- Salient features of the Model 1910

Adoption of the Colt Model 1911

- Modification of the barrel locking lugs

- A first call for 30,262 pistols

- The right to produce the pistol at Springfield Armory

- The holster

1912 changes and improvements

- Content and locations of the markings

- Major Walter G. Penfield

- "UNITED STATES PROPERTY" marking

- Checkering of the slide stop

- The head of the fastening screws of the grip plates

- Modifications of the magazine catch lock

- New design of the sear and safety spring

- Magazine modifications

- The magazine shell issue

- Magazine hardening and blueing

- Mainspring housing pin

- Recoil spring plug

- Marking changes

1913 -1914 changes and improvements

- Rear Sight Changes

- Experimental Slide Stop

- Hammer modifications

- Modifications of the safety lever

- Changes in the slide markings

1915 -1918 changes and improvements

- Differences between Colt made and Springfield made 1911's

- The recoil spring guide

- The new mainspring

- The magazine lanyard loop

- N.R.A. Pistols

- The grip milling

- The firing pin retainer

- The Forward slide profile

- The safety lever

- Marking changes

- Ordnance department inspectors

- Sub-inspection markings

- Colt assembler's markings

- Production board of the Model 1911 produced by Colt

Springfield Armory & Remington

- Springfield Armory specific markings

- List of the "S" marked parts

- The Springfield magazine

- Board of Springfield Model 1911 production

- Remington-UMC contract

- Remington's production of Models 1911

- Remington specific markings

- Inspection Markings at Remington

Commercial production & British contracts

- The commercial version of the Model 1911

- The commercial serialization

- Board of the commercial production until 1923

- British contracts

- The J.P. Morgan business

- Main foreign countries who acquired Model 1911 prior to 1919

- Great Britain's purchases of Model 1911

- Dispatching of the Models 1911 purchased by Great Britain

- The Model 1911 in caliber .455 Webley

- English markings

- Caliber .455 magazines

- English procurements of Colt Model 1911 in caliber .455

Other foreign contracts

- Argentina was the largest purchaser in South America

- Canadian procurements of Model 1911 pistols

- Norwegian procurements and local production

- The Imperial Russia was the biggest foreign purchaser

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