Tactical Knife | Call of Duty Wiki | FANDOM powered by Wikia
The Tactical Knife attachment returns in Call of Duty: Modern Warfare 3, being functionally the same, and once again, exclusive to Pistols.It is unlocked at weapon level 7. On the two revolvers in MW3, unlocking The Tactical Knife brings the weapon level to 10, the maximum for the normal pistols, since Extended Mags isn't available.