Brand: StopBox USA
Model: Chamber Lock Pro, AR-15
Compatibility: Standard Mil-spec AR-15 uppers chambered in .223 / 5.56.
Locking Mechanism: Patented mechanical "Hand Gesture" finger-code system (no batteries or electronics).
Combinations: 81 user-customizable mechanical codes.
Material: CNC-machined 6061 T6 Aluminum with steel internal components.
Finish/Color: Red Anodized (Type II/III).
Weight: Approximately 14 ounces.

Features

The StopBox USA AR-15 Chamber Lock Pro is a firearm safety device designed to help secure AR-15 platform rifles against unauthorized use. Engineered for quick installation and removal, this chamber lock provides an added layer of protection while maintaining convenient accessibility for authorized users. Its compact, durable design makes it ideal for home storage, transport, or range safety applications. Built from rugged materials for dependable long-term performance, the Chamber Lock Pro is designed to withstand repeated use while maintaining a secure fit within the firearm. The highly visible design also helps indicate that the rifle is rendered inoperable, supporting safer storage and handling practices. Whether you're securing a rifle during transport or adding extra safety at home, the StopBox AR-15 Chamber Lock Pro delivers reliable firearm retention and peace of mind.

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These items are controlled by the U.S. Government and authorized for export only to the country of ultimate destination for use by the ultimate consignee or end-user(s) herein identified. They may not be resold, transferred, or otherwise disposed of, to any other country or to any person other than the authorized ultimate consignee or end-user(s), either in their original form or after being incorporated into other items, without first obtaining approval from the U.S. government or as otherwise authorized by U.S. law and regulations.