The FN, Ruger and Smith & Wesson offerings sport barrel lengths of 4.80″, 4.94" and 5.00" respectively. This makes the 5.7 Rock Compact's 4.3" barrel the shortest yet.

Catering to the growing number of firearms on the market chambered for the 5.7x28 mm FN cartridge, FN America has announced the addition of two new 5.7x28 mm ammunition options.

At least one gun used by Nidal Malik Hasan at Fort Hood was an FN Herstal 5.7 semiautomatic—which also happens to be a weapon of choice for Mexican cartels who battle the military and police.

The FN Five-seveN (a semi-automatic pistol that fires a 5.7 mm round) pistols were loaded with armor-piercing ammunition and equipped with laser sights, according to investigators.

Nov. 6, 2009 — -- The gun thought to be used in the Fort Hood massacre packs so much firepower, it's known as 'the Cop Killer,' federal law enforcement officials said. Major Nidal Malik Hasan ...

While at $799 it’s pricier than most pistols you would buy, its only competition in the market of 5.7 x 28-millimeter is the FN Five-seveN, which sits way up at $1,199.

Based on the P90 and built around FNH USA's revolutionary 5.7 by 28-mm ammunition, the PS90 TR provides a compact, lightweight and completely ambidextrous firearm capable of fulfilling ...

CMMG recently unveiled a new line of super-compact AR15 style pistols and short-barreled rifles chambered in FN 5.7x28mm. ... camouflage, ammunition as well as readiness and training issues.

They also uncovered more than 41 rounds of 5.7×28 caliber ammunition inside the vehicle. Gladney pleaded guilty on July 31, ...

The FN Herstal Five-Seven pistol is named for its 5.7×28mm bullet diameter, which is fired at a very high speed. Harris’ boast about the gun’s ability to shoot through a ballistic vest “is ...