The US military is getting a new pistol. Here are the sidearms it's carried into battle since...

US soldiers, sailors, airmen, and Marines are quickly receiving the the military's newest pistols in massive numbers.

Three years after the M17 was adopted as the military's new sidearm, Sig Sauer has delivered well over 100,000 of the handguns, which are based on its P320 model.

The M17 and the compact M18 variant are the latest in a long line of sidearms that US troops have carried into battle over the past 244 years.