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The M16A4 is a 5.56 mm assault rifle featured in both ArmA: Armed Assault and ArmA 2.

ArmA: Armed Assault

« The M16A4 is a gas-operated weapon. It is chambered for 5.56x45mm NATO ammunition. It is the successor of the M16A3, with the only significant difference being that the M16A4 lacks a full-auto firing mode. A number of lightweight materials are used in construction of this weapon in order to save weight.
Library Description
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M16A4 5.56 mm
Arma1-icon-m16a4
Faction U.S. Army
Type Assault Rifle
Caliber 5.56×45 mm NATO
Magazine
capacity
30
Variants M16A4 GL
Games
A1-logo
Arma1-render-m16a4

The M16A4 is used exclusively by U.S. Army forces in ArmA: Armed Assault.

Overview

The M16A4 is a gas operated, selective-fire assault rifle that is chambered to fire the 5.56×45 mm NATO round.

It loads from 30-round STANAG magazines used by the M4 carbine, and is able to attain a fire rate of up to ~ 666 rounds per minute, with a muzzle velocity of 850 m/s. The M16A4 features iron sights as per standard but can be alternately mounted with an ACOG riflescope. It cannot be fitted with muzzle attachments.

The standard-issue service weapon of the U.S. troops operating on Sahrani, the M16A4 is a fairly precise assault rifle. It looks very similar to the M16A2, but has several useful features added such as a removable carryhandle and an integrated rail mounting system.

With an effective firing range of up to roughly 400 metres, the M16A4 serves as a decent general-purpose rifle. When opting for the alternate riflescope-fitted M16A4 ACOG variants, the M16A4 can be accurately used to engage targets at distances of up to 600 metres away instead.

Handling-wise, the M16A4 isn't that much different to the M4 carbine as both have almost identical recoil. The main advantage (and disadvantage) of the M16A4 is its longer barrel, which provides it slightly increased range over its carbine counterpart but also makes it more cumbersome to wield in close quarters.

Though it can only be toggled to fire in either semi-automatic or 3-round burst modes like the M16A2, simply tapping the trigger as quickly as possible allows the operator to essentially fire on full auto as there is almost an unnoticeable delay between bursts.


Variants

M16A4 GL

M16A4 GL 5.56 mm
Arma2-icon-m16a4gl
Faction U.S. Army
Type Assault Rifle / UGL
Caliber 5.56×45 mm NATO / 40 mm
Magazine
capacity
30 / 1
Variants M16A4
Games
A1-logo
Arma1-render-m16a4gl

The M16A4 GL is a modified variant of the baseline M16A4 rifle that has an underbarrel 40 mm grenade launcher attached to it. Along with its parent weapon, it is also chambered to fire the same 5.56 mm NATO round but the underbarrel M203 is designed to launch 40 mm grenades instead.

The M203 has a conventional leaf sight that is accurate at distances of up to 300 metres. It is otherwise virtually identical to the standard M16A4 in every other way.

Trivia

  • Both variants of the M16A4 were not added until the release of Patch 1.04.
    • Initially, the M16A4 was only used by U.S. Army units prior to the patch. This was later changed in Patch 1.14 with the addition of the USMC sub-faction; with conventional Marine units being given the M16A4 instead while regular U.S. Army infantry continued to use the M4A1 carbine.

Gallery

ArmA 2

« The M16 assault rifle entered service in 1965 at the onset of the Vietnam War. It answered the Army's need to replace the ill-suited M14 with a lightweight rifle capable of effective automatic fire. The M16 uses a small, high velocity round with low recoil and good armor penetration, effective to about 500m.
Armoury Description
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M16A4 5.56 mm
Arma2-icon-m16a4
Faction USMC
Type Assault Rifle
Caliber 5.56×45 mm NATO
Magazine
capacity
30
Variants M16A4 M203
Games
Arma 2 logo
Arma2-render-m16a4

The M16A4 is exclusively used by the U.S. Marines in ArmA 2.

Overview

The M16A4 returns once more in ArmA 2, and now serves exclusively as the main weapon of USMC forces instead.

It still loads from 30-round STANAG magazines, but can also be fed with those used by other 5.56 mm weapons like its U.S. Army counterpart. It has a much higher rate of fire (800 RPM) and now has a muzzle velocity of 930 m/s instead.

The M16A4 features a wide variety of models fitted with optical sights ranging from CCO red dot sights and ACOG riflescopes, as well as (non-functional and cosmetic only) laser pointer accessories. It does not come in any variant fitted with a muzzle suppressor.

Arma2-m16a4-05

U.S. Marine armed with the M16A4. Note the CCO red dot sight and AN/PEQ-2 IR laser sight.

The standard-issue weapon of the USMC during the events of Operation Harvest Red, the M16A4 continues to serve as a rugged jack-of-all-trades assault rifle. Besides a few alterations to its base stats like a higher RPM and muzzle velocity, the M16A4 largely remains unchanged to its predecessor.

However unlike its Armed Assault counterpart, the M16A4 now features additional optical sight varieties for the user to choose from thanks to its rail system. And as with its predecessor, variants with non-magnified optics are generally effective against targets that are up to 400 metres away.

On the other hand, riflescope-fitted models such as the M16A4 RCO can still be used to engage targets at distances of up to 600 metres away.


Variants

M16A4 M203

M16A4 M203 5.56 mm
Arma2-icon-m16a4gl
Faction USMC
Type Assault Rifle / UGL
Caliber 5.56×45 mm NATO / 40 mm
Magazine
capacity
30 / 1
Variants M16A4
Games
Arma 2 logo
Arma2-render-m16a4gl

The M16A4 M203 is simply an M16A4 rifle fitted with an underbarrel M203 grenade launcher attached to it. Like before, the M203 still uses a conventional leaf sight that is accurate at ranges of up to 300 metres. It features both ironsight and riflescope-fitted variants to select from.

There are no other differences to the basic M16A4 rifle.

Trivia

  • The M16A4 M203's inventory description is amusingly misspelled as an "Assault rifle with grenade luncher".
  • Aside from the baseline grenadier variant of the M16A4, all other models of the M16A4 are fitted with optical sights instead of ironsights by default (in contrast to Armed Assault).
  • Both the M16A4 and its carbine counterpart, the M4A1, are implied to have been completely replaced in U.S. military service by the SCAR series sometime before 2012 in the Armaverse.
    • Neither of the two weapons can be seen being used by U.S. Army soldiers during the events of Operation Arrowhead.
      • However, several pre-release for Operation Arrowhead do show the M16A4 in use by U.S. Army troops, which suggests that it was intended to have been their primary weapon before being replaced by the SCAR family.
    • This is completely unauthentic to real-life, as neither the 5.56 mm nor the 7.62 mm variants of the SCAR were considered for adoption at any point by conventional U.S. forces (though some special forces units did adopt the weapon).

Gallery

External links

See also

Weapons of comparable role and configuration