User blog comment:Bovell/Kotaku claims to have MW3's first look. Robert Bowling responds. (Minor spoilers)/@comment-72.177.176.29-20110514015610/@comment-1866089-20110514194537

a gun is just a model, it can be made powerful or weak with a few quick damage code changes, so it could be made as weak as the aa12 from MW2 in the final game, who knows?