Lockdown Lockdown Gun Concealment Magnet, For Full Size Pistol or Revolver, Black 222501 The Caldwell Gun Concealment Magnet can be mounted conveniently in a variety of locations to securely hold a handgun in place. The powerful magnets easily support full size pistols and revolvers. A durable rubber coating protects the finish on the gun. Perfect for securing a gun out of sight but within easy reach under a desk or nightstand shelf. Multiple magnets can be used to support rifles or shotguns.