On the other hand, it’s considered unsafe to shoot 5.56 NATO ammunition in a 223 Remington rifle. You see, the 5.56 NATO cartridge will produce about 62,000 psi in a 5.56 NATO chamber, ...

The cost of .223 Rem. and 5.56 NATO ammunition varies depending on its intended use. If you are just looking to plink steel at the range, cheap M193 full metal jacket ammunition can be purchased for ...

A pistol round typically remains relatively stable, while the AR's longer and thinner .223/5.56-caliber round is likely to fragment or to lose stability and tumble end-over-end (keyhole), losing ...

Ruger has announced that it has adapted the original .308 platform of its Gunsite Scout Rifle to .223 Rem./5.56 NATO ... we named the Winchester .21 Sharp as our Ammunition Product Of The Year.

More than 100 were killed by rifles, 65 in the powerful .223, 5.56 mm and 7.62 mm calibers common to assault-style weapons. Rifles also figured in 20 of the 21 fatalities caused by rounds that ...

Ruger has introduced the Ruger Precision Rifle chambered in 5.56 NATO/.223 Rem., usable with a wide range of readily available ammunition, and broadening the appeal of the already very popular rifle.