Description
Lock It Down. Built to Last.
The StopBox Chamberlock Pro Shotgun Chamber Lock is a precision-engineered firearm safety device purpose-built for pump-action 12 gauge shotguns. Constructed from 6061 T6 aluminum with Type II and Type III hard anodizing, this USA-made chamber lock delivers unmatched durability with 81 configuration combinations using the included hardware.
Key Features
- Purpose-built for pump-action 12 gauge shotguns
- Compatible with Mossberg 590 and Remington 870
- 81 configuration combinations with included hardware
- 6061 T6 aluminum construction
- Type II and Type III hard anodized finish
- Made in USA
Compatibility
Compatible with common pump 12 gauge shotguns including the Mossberg 590 and Remington 870.


