A slightly shorter and lighter-weight carbine version of the U.S. Army's new 6.8x51mm M7 service rifle has now gotten its own ...

The XM8 carbine has a shorter barrel and suppressor than the M7, and is also about a pound lighter than the rifle.

The XM8 is not intended to replace the service’s primary rifle, the M7, but instead is being developed as a companion weapon.

Why would one U.S. service pass on a brand-new rifle while another builds its future infantry doctrine around it? The answer ...

The United States is quietly rewriting the rules of small arms, betting that a radically different rifle and machine gun will decide future firefights. Instead of tweaking the familiar M4 and M249, ...