Roller locked
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In firearms operating systems, the term roller locked refers to locking the bolt with rollers. Notable examples of firearms using this method are the Polish wz.37 semi-automatic rifle designed by Edwa
Barrel, slide and locking piece, locked.
Unlocking tab.
Beginning of unlock.
Fully unlocked.
CZ 52
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The CZ 52 is a semi-automatic pistol designed by two brothers, Jan and Jaroslav Kratochvíl, in the early 1950s for the Czechoslovak military. Around 200,000 vz. 52s were made by Česká Zbrojovka in Str
CZ 52 pistol