Never rely upon any safety mechanism or mechanical device to justify unsafe or careless handling of a firearm. When securing your revolver or to prevent unauthorized access, you should rely first and foremost on the key-operated locking device supplied with your pistol. (See Page 6.) However, for added security, and to comply with certain state and local laws, your RUGER® 50th ANNIVERSARY NEW MODEL BLACKHAWK® revolver also is equipped with a manually operated internal lock. When actuated, this internal lock will secure the hammer in the uncocked or "full down" position.
Before activating the internal lock on your revolver, first visually inspect the chambers to verify that they are empty and do not contain any cartridges.
To activate the internal lock, make sure that the revolver is pointed in a safe direction and that the hammer is in the full down position. Using a small scewdriver, remove the screw securing the grip panels and remove the right grip panel to expose the internal lock. (See p.12.) Insert the key into the keyway and rotate the key fully clockwise (about 180° from the fully unlocked position) until it stops. NOTE: The key will not rotate the full 180° if the hammer is not in contact with the cylinder frame. Make sure the hammer is in the "full down" position before turning the key. (See Figure 2.) After you have fully rotated the key 180° clockwise until it stops, remove the key and verify that the internal lock is engaged by attempting to cock the hammer. If the internal lock is engaged, you will not be able to cock the hammer.
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