| 摘要 |
A system with free barrel (3), which consists of a casing (1), firmly attached in which is the barrel (3) for using cartridges with perimeter firing, where the casing (1) is created in the form of a solid block, whose rear part overlaps the dynamic breech mechanism (5) of the weapon, and fitted on it is the rear sight (9), and whose front part is equipped with longitudinal lateral guide grooves (13) for fitting in the runner (201) of the gun body (20). The barrel (3) is attached in the casing (1) so that its axis is located in the tolerance field level with the upper edge (41) of the ejector rod (4) and in the central part of the casing (1) there is a projection (11) equipped in the direction plumb to the axis of the barrel (3), with a linking hole (12) for inserting the pin (51) of the lever (52) of the catch of the breech mechanism (5).<IMAGE>
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