Getting an approximate estimate of the cost of Gun Insurance that would protect everyone is important even though the parameters of an insurance system have not been developed. In many ways, the wide experience with automobile insurance will serve as a model for the system to come. There are available sources for the numbers needed to make an estimate if one assumes a certain level of coverage and benefits.
The Insurance Information Institute publishes overall numbers for automobile insurance. The particular items that interest us are for private passenger automobile insurance (excludes commercial):