LAS VEGAS -- Savage officials say the new MSR 15 Long Range rifle in .224 Valkyrie will outrange any comparable .223 rifle by 400 yards. Federal Premium introduced the new .224 Valkyrie in ...

For most shooters the difference between .223 Remington and 5.56×45 NATO is minor, but it matters because 5.56 is typically loaded to higher pressures and uses a slightly different chamber leade.

The gunman at Sandy Hook Elementary School allegedly used a .223 caliber rifle. This is one example of a gun that uses this caliber. Update 9:50am, December 17, 2012: The New York Times reports that ...

Early Monday morning, William Spengler Jr., 62, set fire to his house and a car, hid behind a berm with a Bushmaster .223 rifle, a Mossberg 12-gauge shotgun and a .38-caliber Smith & Wesson pistol and ...

POLICE will be issued with military-style specialist semi-automatic assault rifles as they step up their battle against the state's criminal networks. The Sunday Mail can reveal police have bought 420 ...

The Bushmaster .223 rifle is one model AR-15 semi-automatic rifle with a legacy that looks to be growing if CNN reports are correct. The Cable News Network reports (as of Friday at 4:00 p.m. EDT) that ...

The gunman whose attack on an Orlando nightclub left 49 people dead early Sunday used a .223 SIG Sauer semiautomatic rifle in his killing spree, law-enforcement officials said. The Bureau of Alcohol, ...