They can get in the 3 to 5 feet range and 1500 to 4000 grams range (male to female)
Larger specimen have been reported 6 feet and 5000 grams or more but they are very rare. Large males over 2000 grams are rare too.
The average keeper will likely end up with a male in the 1500 grams and a female in the 2500 grams range.
I have several females between 3000 and 4000 grams but the bulk of my females is usually between 2500 and 3000 grams.