If you don't have a grinder just throw 2-4 slices of bacon into the food processor per burger. If you don't have a food processor you can always just chop the raw bacon very fine with a shape knife. Elk makes amazing meat loaf I mix in ground bacon and ground pork,  But honestly if you don't get it very often make hamburgers they turn out amazing.  If you know the person that gave you the meat well and trust their handling skills I'd pull them off the grill at 155* and let them rest under foil for 5 minutes or so, the will be about 160* then.
Elk is the best meat in the world if cooked properly, I'd walk right by a big'ol beef steak to get to an Elk steak any day of the week. Even friends that don't like venison and say that they don't like wild meat freak out over my Elk burgers. ENJOY!!! Weber sells a burger spice you can find at the super market or Walmart and it's my secret weapon for elk, venison and beef burgers and meatloaves.
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