Mechanical of the Colt Governm

Mechanical of the Colt Government pistol

General features of the Colt .45 pistol

- Models 1911 and 1911 A1

- 1911 A1 pistol by Remington and Norinco

- External analysis of the Colt 1911 A1

- Pre-disassembly checking

Field dismounting of the Colt .45 (1)

- The dismounting key explained

- Removal of the dismounting key

- Replacement of the dismounting key

- Faster field dismounting

Field dismounting of the Colt .45 (2)

- Regular field dismounting

- Interlocking of the barrel bushing and recoil spring plug

- Barrel bushing dismounting tool

- Using the magazine bottom plate as makeshift tool

- Removal of the slide and barrel

Field dismounting of the Colt .45 (3)

- Variants of the recoil spring

- Deformation of the recoil spring plug opening

- Recoil spring built as a telescopic unit

- Shock buffers

- Separation of the barrel from the slide

- Variants of the barrel bushing

Analysis of the Colt .45 barrel (1)

- Barrel built in two pieces

- Inspection of the barrel crown

- Inspection of the barrel areas of pushing

- Traces of rubbing analyzed

- Inspection of the barrel hood

Analysis of the Colt .45 barrel (2)

- Inspection of the barrel locking lugs

- Allowance minimum between barrel and slide

- Inspection of the barrel underlug

- Lower extremity of the underlug broken

- Profile at the front of the underlug

Dismounting and analysis of the slide (1)

- Checking the tension of the extractor

- Inspection of the breech face

- Consequences of an incorrect headspace

- Rupture of the cartridge shell

- Cartridge not sufficiently supported by the feed ramp

- How to measure the headspace

Dismounting and analysis of the slide (2)

- Dismounting the firing pin

- Retainer plate explained

- Risk of unexpected percussion considered

- Inspection of the firing pin

- Inspection of the retainer plate

- Possible areas of abutment of the locking plate

- Possible forward travel of the firing pin

- Recommended dimensions of the firing pin

Dismounting and analysis of the slide (3)

- Dismounting of the extractor

- Recommended dimensions of the extractor

- Cleaning the breechblock inner tunnels

- Replacement of the front and rear sights

- Dimensions of the military rear sight

- Improved rear sights

- Dimensions of the military front sight

Dismounting and analysis of the frame (1)

- Checking the feeding ramp

- Other verifications to make on the frame

- Dismounting the grip plates

- Dimensions of the grip plates retaining screw

- Replacement grip plates

Dismounting and analysis of the frame (2)

- Dismounting of the grip plates bushings

- Dimensions of the bushing

- Tool intended to rivet the grip plate bushings

- Removal of a riveted bushings

- Removal of a not riveted bushing

- Dismounting of the safety lever

- Inspection and replacement of the safety lever

- Dimensions of the safety lever

- Safety with a longer thumb area

- Ambidextrous safety

Dismounting and analysis of the frame (3)

- Dismounting of the hammer

- Dimensions of the hammer pivot pin

- Dimensions of the hammer strut pivot pin

- Inspection and replacement of the hammer

- Dismounting the mainspring housing

- Dimensions of the mainspring housing pin

- Disassembly of the mainspring housing

- Dimensions of the upper cross pin

- Dimensions of the upper plunger

- Dimensions of the lower plunger

- Dimensions of the lanyard ring and locking pin

- Replacement of the mainspring housing

- Detachable stock

Dismounting and analysis of the frame (4)

- Dismounting of the grip safety

- Multi-purpose leaf spring

- Replacement of the grip safety

- Dismounting of the sear and disconnector

- Dismounting of the magazine catch

- Replacement of the magazine catch

Dismounting and analysis of the frame (5)

- Dismounting of the trigger

- Lightened trigger with adjustment screw

- Trigger with adjustable forward travel

- Dismounting the safety spring and plungers

Dismounting and analysis of the frame (6)

- Dismounting of the plunger tube

Functioning of the Colt .45 pistol (1)

Functioning of the Colt .45 pistol (2)

The safeties of the Colt .45 pistol