StopBox AR-15 Chamber Lock Color:Black and a 3/4" solid steel

and a 3/4" solid steel locking bar

and TL-15 boltwork - same bolt pattern as the AMVAULT TL-15's (5 active and 5 dead)

Interior Cubic Feet: 14

so you will never have to deal with extensive damage from sprinklers or fire hose sprays

StopBox AR-15 Chamber Lock Color:Black and a 3/4" solid steelStopBox AR 15 Chamber Lock New & Improved for 2025: 81 Adjustable Combinations Security Cable Compatible Improved Grip The StopBox AR 15 Chamber Lock is another innovative product by StopBox. It is designed to prevent tampering with your gun 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 Chamber Lock into