Tactical M4 Viper Assault Rifle Airsoft How to Take Apart

The M4 carbine was developed by the famous Colt company on request from the US Armed forces, every bit a shortened version of a then-new M16A2 burglarize. It was intended equally a personal defence weapon for not-infantry personnel, to supplant ineffective handguns and obsolete submachine guns in this function. Colt received an initial development contract in 1984, and by 1986 start XM4 carbine prototypes were delivered to US Army for initial tests. Information technology took several more years to finalize and approve the design, and in 1994 US DoD officially adopted M4 and M4A1 carbines for service.

The Colt M4A1 carbine in its basic configuration — The Colt M4A1 carbine in its bones configuration

Until 2009, Colt company possessed intellectual holding rights on the M4 Carbine TDP (technical information packet) and was the sole supplier of M4 carbines to the Usa Military. Other companies produced similar clones as well, just those were sold either to civilian markets (in semi-automatic only versions) or foreign clients. In 2013 FN Manufacturing Inc, a U.s.a.-based subsidiary of the famous Belgian visitor FN Herstal won a significant contract to deliver M4A1 carbines to US Army, and at present information technology appears to be a major supplier of carbines to United states DoD. Colt still makes select-fire M4 and M4A1 carbines too, and offers semi-automated, civilian legal versions of the M4 carbine with 16-inch barrels.

The M4A1 carbine as presently made by FN Mfg — The M4A1 carbine equally presently made by FN Mfg

The Colt M4 semi-automatic carbine — The Colt M4 semi-automated carbine with sixteen″ barrel, as fabricated for civilian and Law Enforcement markets

Early on on US SOCOM selected the M4 carbine as a potential master individual weapon for its operators, for its handiness and lighter weight. Afterward, information technology developed the so-called SOPMOD M4 kit which includes a RIS forend and several ancillaries such equally sights, frontwards grips, audio suppressors, etc.

Initial combat experiences in Transitional islamic state of afghanistan and Iraq resulted in several desired updates, addressing the reliability and durability of the carbine. As a result, the M4A1 carbine and the M4 carbine are now fitted with a heavier barrel, which amend withstands protracted and intense firing. Despite the shorter constructive range and decreased lethality, every bit compared to the M16A2 or M16A4 rifle, by 2015 the M4 / M4A1 carbine became the primary fighting rifle for United states of america Army and US Marine Corps Infantry units.

As of early 2022, The states Army plans to replace M4 carbines in the forepart-line infantry units with a new, much more stiff weapon which is beingness developed under the NGSW programme, but and so far this plan brought no definite results. If the NGSW plan succeeds, the M4 carbine once again will be relegated to its original role as the Personal Defense Weapon for not-infantry units.

The M4 carbine is mechanically similar to the M16A4 rifle, except for the following major updates. It features a shorter, 14.5-inch barrel, and a telescoped shoulder stock. Internally it features a different commodities carrier buffer, shorter gas organization, and an altered feed ramp cutting in the barrel extension and the receiver, to ensure reliable feeding. Almost all M4 carbines, except for the earliest production run, feature and so-chosen "flat-top" receivers with integrated Picatinny rail, which replaced the M16A2-fashion carrying handle. Most current production M4 carbines also feature RIS forends with additional rail. The M4 carbine tin deliver semi-automated fire and 3-round bursts, and its safety/fire selector lever is appropriately marked "Prophylactic – Semi – Burst". The M4A1 carbine does not have a burst limiting mechanism in its trigger unit, and its selector is marked "Safe – Semi-Auto". All other properties of the M4 and M4A1 are similar.

The M4 carbine with the M203 grenade launcher attached — The M4 carbine with the M203 grenade launcher fastened

As a primary infantry weapon, the M4 carbine can exist fitted with a knife-bayonet, an underbarrel grenade launcher such as M203 or M320, a audio suppressor, and a host of other accessories such as tactical flashlights, laser designations, and diverse solar day and nighttime sights. For close combat, its standard upper receiver can be replaced with the Mk.18 with an fifty-fifty shorter x.3-inch barrel. Another recent upgrade for USSOCOM M4A1 carbines in the 5.56mm SURG (Suppressed Upper Receiver Group), congenital by SIG-Sauer and based on their SIG MCX rifle.

The M4 carbine clone with the Mk.18 CQBR upper receiver

the SIG-Sauer SURG kit for an M4 carbine

Caliber: 5.56mm NATO
Activeness: Gas operated, rotating commodities
Overall length: 838 mm (stock extended); 757 mm (stock fully collapsed)
Barrel length: 370 mm
Weight: 2.52 kg without magazine; three.0 kg with magazine loaded with 30 rounds
Rate of burn down: 700 – 950 rounds per minute
Maximum effective range: 360 m