With your specs, string load and arrow weight don't expect any big speed numbers.....

At 360grs (Which is 5grs per lb of draw weight) your set up is probably doing,at best, around 280fps (-30fps for 27" draw and another 6-8fps for the kisser and brass nocks from your 318fps IBO rating)

Now your 2219's with a 125 gr head and 4" vanes probably weight about 560grs which is pretty darn heavy.[:-]

at 72# you are basically 200grs over that IBO 5grs /lb of draw weight standard.......This is probably dropping your speed another 75-80fps?

Realistically don't expect much more than around 200fps from your set-up.

My suggestion would be to lighten up the arrow weight to a more moderate level.....low to mid 400gr range and it will bring your speed and trajectory way up and still retain plenty of KE. You could probably raise your speed 50fps or so by dropping down to a 425gr arrow (-135grs)