Robert, I certainly have not seen the latest serial number, but I recall that the latest that has been sent to me for repair, alignment and calibration was in the 7700 serial number range. Coming close to 8000 K2s out there. On 1/30/2018 2:46 PM, Robert G Strickland wrote: > As the subject says, how many K2's have been sold to date? > > ...robert