| 摘要 |
A gun lock system including a chamber restriction unit and a key. The chamber restriction unit includes a lock screw, a base, a nose, a stud connected between the nose and the base, at least two expandable rings and at least one solid spacer. The lock screw includes a threaded body and a lock screw head with a key receiver to receive the key. The base includes a threaded lock screw hole to receive the threaded body of the lock screw. The nose includes a lock screw body through hole to receive the threaded body of the lock screw. Each of the at least two expandable rings includes a stud hole to slide over the stud. Each of the at least one solid spacer includes a stud hole to slide over the stud and be between the two expandable rings.
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