LOCKDOWN SHELF HANDGUN RACK Reclaim unfused space in your vault or gun cabinet by hanging handguns from shelves. The Lockdown Shelf Handgun Rack is the perfect addition to get the most room out of your vault. Features 4 Pack Fits .38-.50 caliber handguns Fits most common gun vault shelves (1/2"-1" thick, 11.5" minimum depth) Compatible with optics mounted handguns Unique design prevents tipping and rotation Vinyl coated to protect bore and muzzle of firearms