For the support classes in Battlefield 3, a variety of popular sub-machine guns (SMGs) and carbines are available, ranging from handheld personal defense weapons and guns, to larger carbine rifles. In Battlefield 3, engineers will mostly use the carbines, while SMGs and personal defense weapons and guns will be available to all classes.
The German made UMP-45, short for “Universal Machine Pistol”, is a widely used sub-machine gun in the world, and is popular among police and anti-terror forces. It’s an unlockable SMG in Battlefield 3.
The AKS 74U, based on the AK-74 with a shorter barrel and lighter construction, is the main carbine for the Russian special forces. It’s also the main carbine for the Russian engineer class in Battlefield 3.
The M4A1 is a popular carbine among US forces, and returns in Battlefield 3 as the starting carbine rifle for the US engineer class.
The FN SCAR-H is a fully automatic carbine rifle based on the SCAR-L and is an unlock for the engineer class in Battlefield 3.
The G36C is a carbine rifle based on the G36, and is the last carbine to be unlocked for the engineer class in Battlefield 3.
The SG553 is a Swiss-made carbine rifle based on the SG550 gun. in Battlefield 3, the SG553 is unlocked by the engineer class.
The FN P90 was introduced in 1990 and is a popular submachine gun among special forces and anti-terrorism groups. It is used throughout the world in armies, police and SWAT forces. The P90 is available as an unlock in Battlefield 3.
The Heckler & Koch MP7 is a personal defense weapon with a new and more powerful 4.6x30mm cartridge designed to penetrate body armor. The MP7 was developed by HK and officially entered service in 2001. The MP7 can be unlocked and used by all classes in Battlefield 3.
The PP2000 is a Russian-made sub-machine gun designed for close quarter combat for police and special forces. The PP2000 is one of the first weapons to be unlocked in Battlefield 3.
The PDW-R (Personal Defense Weapon), is an unlockable SMG in Battlefield 3 which can be used by all classes.
The A-91 is a Russian-made bullpup-style carbine rifle with an integrated 40mm grenade launcher. It’s still in the testing stages in use at various Russian armed forces. The A-91 can be unlocked by the engineer class in Battlefield 3.