Evered3239 wrote:What the achievement doesn't tell you is that you have to also be the top kill. In other words if more then one person gets over 50 kills, only the guy with the highest will get the frame.
Here's the official text from the guild war rules:
"4. [...]If you place first in the week's Guild Wars and earn at least 50 points, you will receive a bonus Avatar frame. [...]"