This is every rifle the Marine Corps has issued to Marines in the service's 250-year history, from muskets to M4s.

Key Points – The M4 carbine, a compact derivative of the M16 rifle tracing its roots to the Vietnam-era CAR-15, became the ubiquitous weapon for US military personnel (Special Operations ...

The Marine Corps has characterized the M16A4 Service Rifle and the M4 Service Carbine as 5.56mm, magazine-fed, gas-operated, air-cooled, shoulder-fired weapons that can be fired either in ...

The Army is asking the gun industry to build new components for its soldiers' primary weapon — the M4 carbine — a move that experts say is a tacit admission that the service has been supplying ...

Key point: No rifle is ideal, but the M4 is very good. The U.S. Army is an armed force with a truly global reach. At any given time, America’s premier land power operates on several different ...

The Smart Firearms SF-M4 Training Rifle is a revolutionary training device with features never before seen on any other style training gun. The new cast aluminum M-4 training ...

Army Finds Fix for Dangerous Glitch in M4 and M4A1 Service Rifles. A 101st Airborne Division soldier fires an M4 carbine during a live-fire range training May 29, 2015, in eastern Afghanistan.

Marine leaders recommend ditching the M16 in favor of the M4 carbine as the new universal infantryman's weapon. ... The service found it also provided better ballistics during its flight to targets.

The M4 carbine and the M27 IAR handle very similarly as they share a number of features. However, the M27 has a slightly longer effective range -- 550 meters compared to the M4's 500 -- and ...

For a time, the Army considered adopting a 7.62×51 millimeter rifle as the Interim Combat Service Rifle (ICSR). The 7.62×51 millimeter round has the ability to apply more energy when it hits the ...

In the January/February 2015 edition of the Atlantic, retired Army Maj. Gen. Robert Scales argues that the M4, the rifle used by today’s infantry, is deeply flawed and a danger to soldiers in ...

The rifle would have replaced the M4, a variant of the M16, which has been in service for half a century and fires the 5.56 mm round. Critics claim the round does not have the distance or ...