A fighter needs an AESA radar to get the most out of the AIM-120D, something Canada's Hornets don't have.
www.thedrive.com
The AIM-120D features substantially more range than the AIM-120C7 (I believe the RCAF still uses the C5) without breaking the classic AMRAAM mold line and dimensions. Claims vary as to how far the AIM-120D can reach as official performance numbers are classified, and a missile's range all depends on the specifics of an engagement and especially the energy and altitude state of the launching aircraft, but some put it upwards of 100 miles, while others say it is more like 75 miles.
The missile does feature other enhancements, like an improved two-way data-link system that can support third party targeting. Its navigation system now has embedded GPS, and the missile has better performance in electronic warfare environments, along with a home-on-jam capability which puts aircraft attempting to jam the missile and/or the launch aircraft at greater risk. Other refinements to its electronics make it more durable and adaptable for flying inside the weapons bays of 5th generation fighter aircraft (F-35 and F-22).
this is a good read here:
Some would say the best arrow is the one still left in your quiver.
www.thedrive.com