Knob of bolt handle is not shown in drawing.
Note details of cocking cam surface outlined in the cocking-piece. Unlike modern Mausers, these early types had a removable bolt head. It will be observed that the striker pin is back inside the bolt cylinder but is not yet held at full cock.
The extractor works in a groove in the left side of the bolt cylinder, and is of spring steel. The ejector is mounted in the trigger spring and works through the bolt cylinder and the receiver.
The bolt handle is raised and the bolt is drawn back as far as it will go. A cartridge is inserted in the firing chamber. The breech block is pushed forward until its guide is clear of the receiver bridge slot. It is then turned down to the right to close and seal the breech;
and since the nose of the cocking-piece bears against the cylinder cam, it also completes compression of the striker spring ready for firing. Pressure on the trigger is transmitted to release the striker. The striker spring drives the striker forward to fire the cartridge.
When the bolt lever is turned up to open the breech, the head of the bolt and the cocking piece remain in the same relative positions as already indicated. The cam face of the bolt cylinder forces back the cam on the cocking-piece, thereby drawing the striker back into the bolt.
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