The M4 carbine, a compact derivative of the M16 rifle tracing its roots to the Vietnam-era CAR-15, became the ubiquitous ...

Mr. Scales said the M4’s basic shortfall is that it uses gas, or direct, impingement to extract and expel its shells as opposed to a piston system. A piston firing mechanism is in the prolific ...

The M4 is a carbine version of the original M16 rifle. The new rifle has ambidextrous ... Soldiers will also receive the reduced range, blank, tracer and marking rounds. PEO Soldier conducted ...

Infantry and other combat arms typically carry an M4 with a series of authorized add-ons, including Aimpoint red dot sights, Trijicon ACOG fixed-power rifle scopes, foregrips, laser designators ...

The M4 carbine, which was among guns found at businessman Jimmy Wangigi's home on Tuesday, is a shorter and lighter variant of the M16A2 assault rifle.According to Wikipedia, the M4 is a 5.56× ...

(Sig Sauer) The Army has announced a name change for its forthcoming individual service rifle. Formerly designated the XM5 to replace the M4 carbine, the Army now plans to call the 6.8mm rifle the ...