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
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Updated
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