VisuaLock Inc.

VisuaLock manufactures "The New Standard In Firearm Security"
VisuaLock is California Certified, Maryland & Massachusetts approved. VisuaLock is available for all calibers and types of firearms: Revolvers, Pistols, Rifles, Shotguns.
With VisuaLock in place it is impossible to chamber a live round of ammunition and the firearm's safety is confirmed visually with certainty.