The modular nature of the AR-15 platform, which allows the same operating system to drive guns of different calibers, barrel lengths, and other special features, has recently spawned a new subclass of ...

Key point: It has more recoil, but shoots exactly like rifle caliber AR-15 weapons. The AR-15 series of rifles is one of the most versatile long gun platform ever invented. Developed in the late 1950s ...

** When you buy products through the links on our site, we may earn a commission that supports NRA's mission to protect, preserve and defend the Second Amendment. ** Last year, after building a few AR ...

** When you buy products through the links on our site, we may earn a commission that supports NRA's mission to protect, preserve and defend the Second Amendment. ** While some folks have written off ...

The 21-year-old suspect in Monday’s massacre at a Boulder, Colorado, supermarket allegedly used a Ruger AR-556 pistol — what one expert called “a semiautomatic made for combat” that is easy to carry ...

Police in the Dallas suburb of Richardson found a pistol and a replica AR-15 in a teenager's car parked outside a high school Wednesday, the day after an 18-year-old gunned down 19 students and two ...

Authorities on Friday said they are still investigating why a Colorado man drove 20 miles from his house and fatally shot 10 people at a Boulder supermarket Monday, but a motive has so far eluded more ...

BRIDESBURG -- Philadelphia police arrested a 12-year-old boy and a 19-year-old man for walking the street with loaded weapons. 15th District Officer Wrzesinski made the arrests around 6:30 p.m.in the ...

The Ruger AR-556 is a type of AR-15, the military-style rifle that has been used in many other mass shootings. The pistol version is essentially the same weapon as the rifle but with a shorter 10.5 ...