I know guys who shoot 525 up front. I agree with Terry however, I myself like between 175 and 250 tops and find I have been shooting 190 grains up front. A 50 grain brass insert and 125 grain broadhead and 15 grain footing. This is what flies best for me out of my .500 spined arrows and the weight of bow I am shooting. I like a pretty flat arrow and I can get any bow quiet without worrying about weighting my arrow, a lil' bowhush and hushpuppies in the right spots and you are good to go! Shawn