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The following weapons are unlocked through the co-op portion for the four available kits in Battlefield 3. Score requirements were massively lowered in the R3 patch released on Dec. 6 2011.

Unlock Kit Before R3 After R3
MP412 REX All 63,000 5,000
KH2002 Assault 126,000 17,000
MP7 All 189,000 34,000
M39 EMR Recon 252,000 58,000
93R All 315,000 86,000
SG553 Engineer 378,000 120,000
G3A3 Assault 441,000 160,000


  • If you unlock all the weapons listed in the page, you can earn the Lock 'n' Load Achievement/Trophy.
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