In that report, 31 M17 handguns were noted as missing from the installation's Crescenz Consolidated Equipment Pool, according to an Army release. Since the pistols were reported missing ...
However, military production M17/M18 pistols were released to the civilian market after testing and evaluation by the Army.
Once the Army type-classifies the MHS, they will go by M17 and M18. For more details, see this KitUp article.