View Full Version : The CZ-70 (CZ50) pistol explained - ebook

September 04, 2015, 09:39

This e-book is downloadable here : http://www.hlebooks.com/ebook/cz70en.htm

Ebook's Content
Field dismounting of the CZ-70 pistol
- Removal of the magazine
- Detachment of the slide
- Inspection of the abutment extension of the slide
- Dismounting latch explained
Advanced dismounting of the slide
- Dismounting of the firing pin
- Dismounting of the extractor
- Dismounting of the "cartridge loaded" indicator
Advanced dismounting of the frame (1)
- Dismounting of the grip plates
- Dismounting of the main spring
- Reason of an exceedingly high weight of the trigger pull
- Extraction of the friction spring
Advanced dismounting of the frame (2)
- Dismounting of the side cover plate
- The best method of dismounting the cover plate
- Dismounting of the trigger assembly
- Dismounting of the sear
- Reinstallation of the sear
Advanced dismounting of the frame (3)
- Dismounting of the magazine catch
- Dismounting of the hammer
- Dismounting of the safety
- Dismounting of the takedown latch
- Dismounting of the hold-open latch
- Dismounting of the barrel
Functioning of the CZ-70 pistol (1)
- Installation of the magazine in the grip
- Friction spring explained
- Manual cycling of the slide and chambering
- The "cartridge loaded" indicator
Functioning of the CZ-70 pistol (2)
- Hammer cocked by the slide recoil
- Firing in single action mode
- Recoil of the slide and disconnection
- Early stage of the slide recoil
- Modified firing pin by Harrington Products
Functioning of the CZ-70 pistol (3)
- Extraction and ejection of the cartridge shell
- Trigger released for reconnection
- Shooting in double action mode
Functioning of the CZ-70 pistol (4)
- Improvement of the trigger weight
- The hammer rebound in question
Functioning of the CZ-70 pistol (5)
- Hold-open latch functioning explained
- Perfect alignment of the hold-open latch
Functioning of the CZ-70 pistol (6)
- Lowering of the hammer at rest by using the trigger
- Hammer retained by the thumb and trigger released
- Lowering of the hammer at rest using the safety lever
The manual safety of the CZ-70 pistol
- Structure of the safety body
- Functioning of the safety when hammer is at rest
- Functioning of the safety when hammer is cocked
- Action of the safety locking stud on the trigger bar
From the CZ-50 to the CZ-70
- Early CZ-50 pistol
- Strakonice factory production (1950 - 1952)
- Uherský Brod production (1957 - 1970)
- Diagram of the early CZ-50 pistol
- CZ-50 and CZ-70 pistols compared
- CZ-70 annual production
- Czech commercial proof


September 22, 2015, 00:05
Wow, that is actually really cool. I am a sort of fan of CZ firearms, mostly out of academic interest though, because, as those diagrams show, they are usually more complex than necessary. The gunsmith-curious part of my brain finds any reference material of this nature very interesting. I have most of JB Woods' books and pore over them regularly.

My normal pattern is, when I do acquire a gun (and I have a CZ 50 I bought from AIM a year or two ago) and then find out just how complex it is, and how difficult making one of those complex parts from scratch would be if none were available, I sell it as soon as possible (within reason) before something breaks.
Finally even sold my Russian Makarov because, even though spare mainsprings are readily available, I can't stand the thought of a gun that relies on a multi-purpose blade spring for its' most critical function.

Anyway, thanks for putting that neat source of in depth reference on the files for anyone who might need it.