Last fall American Rifleman’s Mark Keefe was offered an early look at the new SIG Sauer M400 Tread--and he's still talking about the rifle. An already upgraded AR, the Tread offers the ability to easily upgrade its parts simply by matching it to genuine SiG parts marked with the Tread logo. For more, check out this 2019 SHOT Show primer.
The Shell Shock Technologies 7.62 NATO Nickel-Alloy Shell (NAS3) cartridge cases have successfully completed rigorous testing at the Naval Surface Warfare Center, Crane Division.
Of all the U.S. military arms of the mid-19th century, one of the most interesting, effective and well-built was the Model 1841 rifle, often called simply the "Mississippi rifle."