I too believe the 120s are a bit too light for mulies. I'd go with 139-154 bullets. It just depends on what your rilfe likes. Like SuperHunter says, the good old Hornady Interlocks are fine. You don't need a premium bullet for deer. I have two 7-08s. A savage that prefers the 154 gr bullets and a Browning that will only shoot the 139s. I use the Interlocks exclusively in them and haven't lost a deer yet. Been using them in everything from the .243 to 300 Win Mag in various weights and only ever had one failure. And that was a long time ago when a 100 gr .243 bullet hit the shoulder of a big whitetail buck and exploded. The second bullet dropped him flat on a dead run.