User blog comment:Damac1214/Black Ops II Patch Notes + Micro-Transactions on the Way/@comment-10363123-20130312200858/@comment-74.103.23.153-20130312211756

It felt that when the Peacekeeper was initially released, it had almost no recoil. Playing with it now, however, it seems they added just enough recoil for it to be off-target sometimes while firing.