Bullseye and Crimson Achievments Party Halo 4 360

Hello

Im currently in the hunt for the achievmentes listed for the Crimson Pack and Bullseye pack, but it looks ill have to instead of going online and thats it, i must do a party to
proceed on that

If you want to join me on that crussade, either to help a fellow Spartan or to hunt those achievements too, leave your gamertag, we can play in the morning or at nights or according to schedules

Thank u