Achievement Help Requests

What Does This Button Do? Achievement in Gears of War 3

View guide to getting this achievementWhat Does This Button Do?106 (50)

1 gamer needs helpOnline/Offline - This achievement can be obtained in either an online or offline modeSingle Player - This achievement can be obtained in single player game modesCooperative - This achievement can be obtained in non-versus game modes where players work togetherCumulative - This achievement is obtained by gradually increasing one’s total number of experience points, kills, hours, or similar measures, over time to meet certain goals
Get 500 Silverback rocket kills in Horde (any map, any difficulty).

-0.2This Achievements is earned with Downloadable Content 'Horde Command Pack'Earn this in the Gears of War 3 Walkthrough

Gamers needing help

Gamer Message
fam25 fam25 I currently have over 2800 rocket kills with the silverback.I have deleted the systems cache, and re-uploaded my horde command pack dlc but it doesnt pop.Anything else i can do to obtain this achievo?