By the time the M16A4 came into service, a lot of those in the Marine Corps and Army had already switched to the M4 carbine.

Testing the same against the in service system would have ... weapon to the American military is the M16A4, which is a modern version of the rifle that was introduced in the 1960s.

Entered service with the United States Armed Forces in 1969 ... Variant of the M203 grenade launcher designed for use with Colt M16A4 assault rifles and Colt M4 carbines. Can also be used with M16A2 ...

Firearms experts analyze photos from the Trump assassination attempt Sunday, say the suspect used Soviet-style rifle.

What appears to be one of the first looks at members of the German armed forces with new 5.56x45mm Heckler & Koch HK416 A8 ...

Trump was on the links taking a breather from the campaign. Then the Secret Service saw a rifle Then the Secret Service spotted the muzzle of a rifle sticking out of a fence in bushes at Trump's ...

Secret Service agents spotted a rifle barrel poking through a chain link fence at the edge of the property, approximately 300-500 yards away from Trump, West Palm Beach Sheriff Ric Bradshaw said ...

Aside from sounding off on social media, golf was on the agenda. Then the Secret Service spotted the muzzle of a rifle sticking out of a fence in bushes at Trump’s West Palm Beach golf club ...

Aside from sounding off on social media, golf was on the agenda. Then the Secret Service spotted the muzzle of a rifle sticking out of a fence in bushes at Trump’s West Palm Beach golf club ...