Originally chambered in 5.7x28mm, CMMG's Mk57 gets the conversion treatment with the company announcing a new .22 LR conversion kit for the Mk57. The Mk57's bolt-carrier group swaps out to a .22 LR version that marries to the Mk57's upper and and any mil-spec AR-15/Mk4 lower receiver to of …

A little-known Czech-made carbine, the Brno Vz. 33, was only produced in small numbers just before World War II and led to a specialized model that saw more extensive service. The new republic of Czechoslovakia rose from the ashes of the old Austro-Hungarian Empire in 1918 as part of the aft …

A three-judge panel of the U.S. 9th Circuit-- long the most liberal in the country-- found last week that California's ban on firearm maazines capable of holding more than 10 rounds violates the Second Amendment. The two-judge majority in the ruling handed down in the long-running Duncan v. Be …