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 Edward Stecke, MG 42 general-purpose machine gun, which copied the solution of engineer Stecke and the CZ 52 semi-automatic pistol.
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 Edward Stecke, MG 42 general-purpose machine gun, which copied the solution of engineer Stecke and the CZ 52 semi-automatic pistol.
Source: Wikipedia "Roller locked" · CC BY-SA 4.0
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