Here is one more option similar to the Gator Rackbag above:
Gator GRB-2U: 8lbs with a shoulder strap. Could also fit a 15" laptop. Only doubt is the depth = 14" while the Axe Fx is 14.25"
Gator GRB-2U: 8lbs with a shoulder strap. Could also fit a 15" laptop. Only doubt is the depth = 14" while the Axe Fx is 14.25"