Rolling block breechblock (1 résultats)

Taschenbuch. Etat : Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. A rolling block is a form of firearm action where the sealing of the breech is done with a specially shaped breechblock able to rotate on a pin. The breechblock is shaped like a section of a circle. The breechblock is locked into place by the hammer, thus preventing the cartridge from moving backwards at the moment of firing. By cocking the hammer, the breechblock can be rotated freely to reload the weapon.Due to 19th century metallurgical techniques, as with most vintage firearms produced for black powder cartridges, rifles and pistols manufactured using this action during the 19th and early 20th centuries may not be suitable for modern, high powered ammunition. Rolling block rifles were made for smokeless powder cartridges, like the 7x57mm Mauser, with modern steels in the early 20th century.…