There were some AR builds in 5.7, but they weren’t something you were likely to see on the rack at your local gun shop. Ruger Adds 5.7x28mm Guns to Their Lineup.

While the 5.7x28mm cartridge has seen a resurgence in 2020, ... NATO began searching for a replacement for the 9mm Luger cartridge for personal-defense weapons (PDW) and pistols.

The FN P90 is a futuristic submachine gun that stands out not only for its striking, sci-fi-inspired design but also for its ...

Catching the world by surprise, Ruger revealed the second-ever pistol to use the 5.7x28mm cartridge. Its only competition is the original FN Five-seveN. Even then, the Ruger-57 enters the market ...

CMMG recently unveiled a new line of super-compact AR15 style pistols and short-barreled rifles chambered in FN 5.7x28mm. ... with a close eye on Army weapons development and procurement, body ...

Finks Custom Guns Hog Hammer. The new Hog Hammer is a single-stacked 1911 chambered for the 10mm Auto. ... It is the lightest 5.7x28mm pistol currently manufactured, and it goes for just $399.

The 5.7x28 mm FN cartridge joins the 7.62 NATO and 5.56 NATO as a standard cartridge among nations of the North Atlantic Treaty Organization.