Walther PP & PPK explained

All the mechanical aspects thoroughly detailed.

Field dismounting

Advanced dismounting of the slide 1

- Inner components of a Walther PP slide

- Dismounting of the manual safety

- Removal of the firing pin

- Different types of firing pins

- Overall lengths of firing pins compared

- Variations of the pre-mid-1970s manual safety

- Structural weakness of the safety lever

Advanced dismounting of the slide 2

- Removal of the "cartridge loaded" indicator

- Types  of the "cartridge loaded" indicator

- Dismounting of the extractor

- Model PP and PPK corresponding parts

- Removal or adjustment of the rear sight

- Installation of a radium night sight (Leuchtkorn)

Advanced dismounting of the frame 1

- Removal of the grip plates

- Dismounting of the holdopen latch

- Dismounting of the mainspring

- Dismounting of the PPK's mainspring support piece

- Dismounting of the hammer and hammer decocking lever

- Troubles with the hammer pivot pin

- The hammer double action lever

Advanced dismounting of the frame 2

- Removal of the hammer strut

- Dismounting of the hammer stop block

- Dismounting of the trigger guard

- Dismounting of the magazine catch

- Dismounting of the trigger

- Reassembly of the trigger bar the correct way

Advanced dismounting of the frame (3)

- Dismounting of the trigger bar

- Dismounting of the sear

- Dismounting of the magazine

- Intermediary plate of the .22LR magazine follower

Functioning of the Walther PP (1)

- Pistol of the blowback class£

- Cocking of the hammer manually or by slide recoil

- Problem of the hammer following the slide

- Hammer toe not correctly shaped

- Stability of the hammer/sear engagement

- Necessary over travel left for the hammer when cocked

- Correct strength of the sear spring

- Grip plates impeding movement of the sear

- Failure of disconnection

Functioning of the Walther PP (2)

- Verification of the magazine catch engagement

- Shooting in single action mode

- Misfire in single action and not in double action

Functioning of the Walther PP (3)

- Explosion and recoil of the slide

- Disconnection of the trigger bar from the sear

- Extraction and ejection of the cartridge case

- Extractor expelled out of the slide on explosion

- Phases of the cartridge chambering explained

- Action of the cartridge case on the "cartridge loaded" indicator

Functioning of the Walther PP (4)

- Functioning of the holdopen latch explained

- Dysfunction of the holdopen latch

- Holdopen latch actioned too soon

- Wrong way to grip the pistol

- Holdopen latch actuation failure

Functioning of the Walther PP (5)

- Shooting in double action mode

- The angle of hammer double action lever does matter

- The sear leverage explained

- Hammer lifted against the resistance of the mainspring

- The mainspring mechanical chain verified

- Hammer being locked at the rear by the strut

- The hammer rebound and its purpose explained

The safeties of the Walther PP (1)

- Functioning of the hammer stop block

- The hammer stop block limitation of reliability

- The manual safety structure and shape

- Safety resisting to the rotation

- Safety "OFF" status changed by the rubbing of the hammer

- Structural weakness of the manual safety

- Installation of a new manual safety

- Modifying a 60° safety to create one of 90° type

The safeties of the Walther PP (2)

- Interaction of the manual safety with the firing pin

- When the safety is set to "OFF"

- Double action mode as a safety in itself

- Two firing pin safeties evaluated by Walther

- When the safety is set to "ON"

- Structural fragility of the firing pin and consequences

- The decocking lever general features

The safeties of the Walther PP (3)

- Action of the decocking lever on the sear

- Interaction of the manual safety with the decocking lever

- Incorrect forward profile of the decocking lever

- The 90° safety versus 60° safety

- Misfitting of the safety lever groove

- Chambering or cycling with the safety "ON"

- Decocking lever removed

The Walther PP pre-production prototypes

The Walther PP of 1929 variant (1)

The Walther PP of 1929 variant (2)