The Army currently operates 24,000 standard M2 machine guns and roughly 25,000 upgraded M2A1 .50-cal weapons designed with a number of improved features. The improved M2A1 is, among other things, ...

The Army owns what’s called the Technical Data Package, or TDP, for the new lightweight .50-cal; vendors will have to “build to print” and execute the government’s existing specs, Battista explained.