The USAS-12 in reality.
The USAS-12 is a modern Korean-made, fully automatic, 12-gauge shotgun developed during the 1980's by Daewoo Precision Industries.
Battlefield: Bad Company
— In game description.
In Battlefield: Bad Company, the USAS12 is obtained by completing a certain "Find-All-Five" challenge. One must simply check their stats online (see External Links) and it will be unlocked the next time the player signs in. Or you can enter the code aw3somefirep0wer.
Only accessible through multiplayer, it is issued to the Demolition class. It is the only automatic shotgun, but it is balanced out by a lower rate of fire. It is capable of killing within 3 or so shots. Its main downsides come from its somewhat low magazine size (10 shells) and fairly uncontrollable recoil.
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Battlefield: Bad Company 2
— In-game description
In Battlefield: Bad Company 2's singleplayer, the USAS-12 Auto uses a 12 round magazine. It retains its fully-automatic fire mode, and is found as a collectible in Snowblind, but has several appearances throughout the singleplayer mode, such as when it is used by Russian forces in Sangre del Toro, and given to the player character in Airborne. The USAS-12 with 12 Gauge Slugs can be found in a opened ship container just before some stairs at the beginning of the level Crack the Sky. Both versions of the gun are collectibles.
In multiplayer, the USAS-12 Auto is the last shotgun issued to all kits, unlocked at rank 21. It is fully automatic and has a 6 round magazine. The USAS-12 has almost exactly the same weapon stats as the Saiga 20K except for it being automatic. With 12 Gauge Slugs, it can be used as a sort of burst-fire assault rifle, although it suffers from a small magazine, a low rate of fire, and high recoil, as well as a steep increase in spread per shot. It is a very good idea to apply the Extended Shotgun Magazine specialization to the USAS-12, as it doubles its capacity to a total of 12 shells per magazine and greatly increases its potential to take on multiple targets.
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Battlefield Play4Free
USAS-12
In Battlefield Play4Free, the USAS-12 makes another appearance. It retains its fully-automatic firemode, but gains the ability to use ironsights. It also comes with a 10-round-magazine as opposed to a 6-round magazine. It is available for every class at the cost of 500 
per day or 320 
for unlimited use. {C
Veteran's USAS-12
The Veteran's USAS-12 features a higher damage over the standard USAS-12 and a larger magazine of 12 rounds. The cost for unlimited use is 630 . The gun's appearance is rugged, but the differences with the standard USAS are very small, unlike other Veteran's guns. The gun now costs 750 credits after the Dec. 1st updates
Elite's USAS-12
The Elite's USAS-12 does even more damage per pellet than the Veteran's version and has a larger magazine of 14 rounds to further increase its usefulness. The cost of this gun is 790 for unlimited use or 3000 per day. The weapon has a very clean appearance, like all of the elite weapons, and sports a tan paint scheme on the stock, pistol grip and handguard.
This gun is very similar to the Saiga-12, being equal or superior in every aspect: both have the same damage and magazine capacity, but the USAS has a higher rate of fire, being fully automatic, costs less Battlefunds and can be temporary bought with in-game credits.
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Battlefield 3
— Battlelog description
Singleplayer
The USAS-12 can be found in the mission Kaffarov with various optical attachments.
Multiplayer
The multiplayer USAS-12 is an all-kit weapon, with a fully-automatic firemode and the same attachment selection as the other shotguns. It is unlocked at rank 43, and is magazine fed.
After release, the weapon became the target of numerous complaints from the community concerning the excessive power provided by the 12G Frag ammunition. DICE has released a patch helping resolve this issue by lowering the Frag ammo's firepower, fire rate, impact and splash damage and area of effect. The amount of projecticles able to be fired was increased to 7 in the June update.
Weapon Unlocks
|
Attachment |
Description |
Kills to unlock |
|
Red dot sight |
10 kills | |
|
Allows the weapon to fire Flechette rounds |
20 kills | |
|
Increases the weapon's magazine capacity |
30 kills | |
|
Holographic sight |
40 kills | |
|
Blinds players |
50 kills | |
|
Increases suppression and accuracy but decreases damage |
60 kills | |
|
4x scope |
70 kills | |
|
Blinds players |
80 kills | |
|
Allows weapon to fire slugs |
90 kills | |
|
1x Infrared scope |
100 kills | |
|
7x scope |
125 kills | |
|
3.4x scope |
150 kills | |
|
Reduces weapon flash, but decreases accuracy |
175 kills | |
|
Red dot sight |
200 kills | |
|
Holographic sight |
235 kills | |
|
4x scope |
270 kills | |
|
6x scope |
300 kills | |
|
3.4x scope |
350 kills | |
|
Silencer (DICE Devs Only) |
400 kills |
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Trivia
- In the description for the USAS-12 in Battlefield: Bad Company, it is falsely stated that the gun is illegal for US civilians to own. [The semi-auto variant of the USAS-12 is explicitly classified as a Destructive Device by the ATF under the National Firearms Act of 1934.] However, one can be bought with proper registration and tax stamps.
- In multiplayer of Battlefield: Bad Company 2 on the PC, the USAS-12 had crosshairs instead of the usual circle crosshair that the other shotguns have. This has been patched.
- In Battlefield 3, The USAS-12's proficiency dog tag has a picture of a SPAS-12 on it instead of the USAS.
- It has less recoil than the MK3A1 but both weapons had their fire rate reduced with frag rounds in the March patch.
- On 27th of March 2012, DICE has released a patch for the PS3 version of Battlefield 3 that reduces the rate of fire of the weapon when equipped with frag rounds, reduced their damage potential, reduced splash damage and reduces the range, thus, balancing the weapon. This Patch was later given to the PC and Xbox versions of the game.
- In Battlefield 3 the left side of the weapon has Baewoo Brecisions of Korea written on it as an obvious spoof of its manufacturer Daewoo Precision Industries of Korea.
- In Battlefield 3 the USAS-12 Mastery dog tag has a drum magazine not availiable in the game.
Videos
[[Video:USAS-12 AUTO|thumb|300px|left|Gameplay with the USAS-12 Auto in Battlefield: Bad Company 2 at Arica Harbor and White Pass in Squad Deathmatch mode]]