StopBox Shotgun Chamber Lock Color:Red 1/4" thick solid steel-plate door

1/4" thick solid steel-plate door

and ASTM certified for its 75-minute 1200-degree fire rating

Solid-steel cutting blades

You can read more about what a TL30X6 rating means here

StopBox Shotgun Chamber Lock Color:Red 1/4" thick solid steel-plate doorStopBox Shotgun Chamber Lock New & Improved for 2025: 81 Adjustable Combinations Security Cable Compatible Improved Grip The StopBox Shotgun Chamber Lock is another innovative product by StopBox. It is designed to prevent tampering with your shotgun but allows quick access when needed. Your rifle will be at the ready but locked. Never worry about the batteries to your safe dying, electronics failing, or losing keys. Just insert the StopBox Shotgun