Colt pistols of 1900 series

1900系列柯尔特手枪解释

Early patents of the Browning semi-auto pistols

- Patent #580923 - gas-operated toggle system

- Patent #580925 - Rotary barrel

- Patent #580926 - Blow back pistol

- Patent #580924 - Short recoil unlocking

Early production of the Colt semi-auto pistols

- Comparing the early Colt 1900 of production vs Patent #580, 924

- .38 ACP cartridges vs .38 Super

- The firing pin safety

- New firing pin and dovetailed rear sight

- Navy contract Model 1900

Features of the Colt 1900 pistol

- 200 pistols ordered by the US Army

- Field stripping of the model 1900

- Usual markings on the Colt 1900 commercial

- Model 1900 with finger grooves located at the front

- Upgraded slide and round hammer

- Colt Model 1900 parts nomenclature

The Colt 1900 pistol for the U.S. Military

- 1900 test results with the Colt 1900 pistol

- First Army contract chart

- U.S. Navy specific markings

- First U.S. Navy contract chart

- US Army second contract

The Colt .38 "Sporting Model"

- Early Sporting Model

- The slide Patent markings

- Slide serrations

- Hammer profile

- Grip plates

- Magazines

- Takedown bushing

- Colt "Verified Proof" marking

- Sporting Model production chart

- Estimated quantities by variation

The Colt 1902 "Military"

- Lengthening of the grip

- Recoil spring buffer block

- Concave recoil spring plug

- Hold open latch

- Modified magazine follower

- 1902 Military Model Production Chart

- Slide markings

- Variations by year and serial number

The Colt Pocket 1903 in caliber .38 ACP

- Colt Pocket 1903 variations

- Estimated quantities by variation

- Variations by year and serial number

Field dismounting of the Colt 1902 "Military"

Disassembling the barrel and recoil spring

- The forward barrel cross pin under pressure

- The barrel swivels

- Special attention when removing the forward barrel retaining pin

- At the bottom of the recoil spring tunnel

Disassembling the grip components

- The ejector

- The hold-open latch

- Removal of the magazine catch and multi-purpose spring

- Disconnector and sear

- The hammer assembly

Disassembling the slide components

- The rear sight

- The inertial firing pin

- The extractor

- Parts of the Colt "Military" 1902

Firing cycle of the Colt 1902 Military

- Barrel locking and unlocking

- A pair of pivoting links

- Barrel ribs and slide grooves

- The holdopen latch

Trigger work and safeties of the Colt 1902 "Military"

- No conventional manual safety

- The first hammer notch

- The trigger extension does not bear directly against the sear

- How the multi-purpose spring works

- Action of the disconnector

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