Here’s how they are different and what you need to know on 5.56 vs .223. Though the 5.56mm NATO and .223 Remington cartridges are essentially identical externally, there are two key differences.

Here’s how they are different and what you need to know on 5.56 vs .223. A sampling of the 5.56 ammo we tested. Tyler Freel Though the 5.56mm NATO and .223 Remington cartridges are essentially ...

Phil Massaro tackles the 6mm ARC, a military cartridge that's equally at home in the hunting field.

The mount that comes with the sight places the sight at the correct height, and the AR BDC4 reticle offers trajectory correction for the 5.56 NATO/223 Remington out to 650 yards for a 55-grain ...

223 is well executed and I’d be shocked if it doesn’t become ... Of the four loads I tested in the rifle, it liked Federal 77-grain Centerstrike and Sierras 77-grain SMKs the best. The 5-shot group ...

A core foundation upon which the nearly 80-year-old alliance is built is Article 5 of the NATO founding treaty. Under that article, should any NATO nation become the victim of an armed attack ...

Shane Croucher is a Breaking News Editor based in London, UK. He has previously overseen the My Turn, Fact Check and News teams, and was a Senior Reporter before that, mostly covering U.S. news ...

If Trump does make that change, it would mark a significant shift from a core tenet of the alliance known as Article 5, which says that an attack on any NATO country is an attack on all of them.

Mossberg has updated its MVP Patrol and Patriot Carbine with a few duty-ready features designed to take advantage of today's ...

The Ohio Department of Public Safety is requesting about $5.3 million in state funding to help pay for safety and security measures for the NATO Parliamentary Assembly in Dayton in May.

EU cooperation with likeminded NATO partners is "vital for international security," the president of the European Council said Friday, following a videoconference with leaders of non-EU NATO members.