User blog comment:Didikins/My favorite weapons of MW3/@comment-27103116-20151214151252/@comment-4872910-20151217232942

Nope. P99 had more damage and a different range profile that gave it a longer three hit kill range and slower fast-swap times. USP.45 had less damage and a different range profile that gave it better 4 and 5 shot kill ranges (thus it was more suitable for the silencer), and it had a faster swap.