The M4A6/M16A6 weapon variants deploy the 6.8x43mm Special Purpose Cartridge NATO Steel Magazines.
There are currently two round types issued: The 6.8x43mm Remington Special Purpose Cartridge is a rimless bottlenecked intermediate rifle cartridge both available in Full Metal Jacket (soft-targets, non-body armor) and Magnum Match (hard-targets, body armor) capacities to counter different specific threats. |
The Barrett M4A6/M16A6 are variants of the M4 Carbine / M16 Rifle, rechambered for a heavier and larger 6.8x43mm Special Purpose Cartridge for increased terminal performance. The designation of M4A6 stands for an M4 carbine chambered for the 6.8mm SPC cartridge.
It has been created as an upgrade for the M4/M16 platform for infantry and special operations for Close Quarter Battle (CQB) and medium-to-long range engagements. It includes a fully-automatic selector switch, flip-up sights, improved accuracy and reliability compared to the older M4/M16 platforms. |
The Hecker & Koch M27 Infantry Automatic Rifle (IAR) is a lightweight, magazine-fed 5.56x45mm, select-fire weapon based on the Heckler & Koch HK416. It is used by the United States Marine Corps and is intended to bridge a gap between the M4A1 and M249 platform. It is randomly issued to Marines who utilize the 0311 Rifleman, Automatic Rifleman, Designated Marksman and the 0351 Assault Marine occupational specialty.
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The Colt M4/M4A1 Carbines are issued to all Infantry Marines and Sailors as the previous generation standard issue rifles.
Designed with a modular rail system and easy configuration make this weapon the stand for infantry troops. The short barrel and accuracy of the M4 platform makes close quarter battle and medium action engagement distances easier environments to operate in. The M4 is the successor rifle to the M16 platform. |
The Colt M16A2/M16A4 rifles are issued to non-infantry Marines. Typically those operating in a support capacity such as logistics Marines.
The M16A2 is assigned to recruits during Hell Week and Basic Training. Used first in the Vietnam War, the M16 platform received a variety of upgrades, with the M16A4 being the most modular and configurable variant. Due to the longer barrel length, the M16 platform is able to shoot slightly farther than it's successor variants and has often been adapted for marksman based roles. |
The Daniel Defense Mk18 variants are upgraded and adapted versions of the M4/AR-15 platform.
They are issued to a variety of US special operations forces. The Mk18 has more modularity, accuracy, lighter weight and reliability compared to the M4 and M16 variants and allows the user to fit the rifle to their own need. It's optimization, adaptability and increased use in deadliness make this weapon platform ideal for engagements concerning special operations tactics. |
The M249 is a light machinegun chambered in 5.56x45mm NATO issued as the standard machinegun for automatic riflemen.
The M249 is more often used due to it's lighter weight, better rate of fire and larger ammunition capacity. It's 5.56 ammunition type allows it to colloquially use 5.56 STANAG magazines if necessary. While it suffers over greater distances, the shorter length and reduced recoil allow it to be used in MOUT environments with ease. The M249 is also extensively upgraded with modular kits that allow it to utilize better accessories. |
The M240B is the standard medium machinegun that is utilized both in an infantry-portable and crew-served weapon capacity. It has have been proven as extremely effective as a support weapon in various combat situations and is used often in vehicles. Using the 7.62 round and its long barrel, it guarantees good accuracy, range and lethality. The 7.62 platform makes this weapon heavier but is also capable of traveling longer, and is more lethal against soft targets and light motorized units. The M240B is rarely used in close quarters engagements as the weapon is made for suppressive firing methods.
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