Adam Lanza took his mother’s AR-15 rifle to the school and fired 80 rounds ... The Washington Post defines mass killings as a shooting event in which at least four people are killed, not ...

Federal officials investigating the shooting said the AR rifle was “nothing special” since the ubiquitous rifles have taken ...

It’s easy to let a sling for your hunting rifle or AR be an afterthought, but choosing the best rifle sling for you can make a big difference when it comes to carrying and handling your rifle or ...

And his father Colin, 54, allegedly bought his troubled son an AR-15 rifle for Christmas — and now faces charges of his own ...

He grabbed three guns from the house -- a semi-automatic AR-15 assault rifle made by Bushmaster and ... Authorities say the first emergency call about the shooting came in at "approximately ...