Breech for a repeating rifle and barrel for such a breech

摘要

The catch (2) has a locking chamber (18) arranged in a catch guide (7) i.e. slider, and a locking sleeve (10) that is concentrically arranged around a rear part (17) of the locking chamber. The sleeve has multiple locking elements (13) movable by a spreading device between an internal releasing position and an external locking position for engagement into a locking groove (5) of a run (1). The spreading device has a support sleeve (15) which is axially movable between the rear part of the locking chamber and the locking sleeve.