Ordnance Maintenance Truck, 2½-Ton, 6×6, G138
- Mobile small arms repair shop on the chassis of a 2½-ton GMC CCKW-353 box-bodied ST-5, or ST-6, GMC CCKW-353 truck.
Versions:
M7 Mobile Small Arms Repair Shop
Small Arms Repair M7 (Signal Corps) Mobile Small Arms Repair Shop
Mobile Small Arms Repair Shop M7A1
Mobile Small Arms Repair Workshop M7A2