August 4, 2016

Stop Box: Instant-access handgun retention device

The StopBox® is a portable instant-access handgun retention device that does not use batteries, electronics or external keys. The StopBox® hand gesture code lock is instinctive to use in the dark and under stress. Secure your firearm without sacrificing accessibility when you need it the most. Proudly made in America.

Screen Shot 2016-08-24 at 7.20.49 PMScreen Shot 2016-08-24 at 7.23.36 PM

Johnston Engineering provided full design of parts, structural analysis, assembly, test and injection molded supplier sourcing. The project is currently in production and can be purchased at


Leave a Reply

Your email address will not be published. Required fields are marked *

Call Us