| 摘要 |
A gun locking device includes a tube that fits within the bore of a firearm and extends from the muzzle to the chamber. A first subassembly on the tube moves between a locked position, in which radial balls extend from the tube to obstruct removal of the tube from the barrel, and an unlocked position in which the tube may be removed. A second subassembly coupled to the first subassembly enables a user to move the position of the first subassembly. Operation of an actuator knob on the second subassembly causes a compression rod within the tube to rotate a threaded riser at the first subassembly to drive the radially moveable balls. The actuator knob can be locked with the tube secured in the barrel. Optionally, a barrel locator cap prevents rotation of the actuator knob unless the muzzle of the barrel bears against the second subassembly.
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