Yes you can. Did you get a doe yet? If so it scores to. A pic with the gun in it for the doe too.

Heres a link to the scoring page with instructions.

Link to Boone & Crockett scoring system and instructions:
http://www.boone-crockett.org/bgRecords/bc_scoring_typwhitetail.asp?area=bgRecords&typ e=Typical+Whitetail+Deer