muliefever i use (easton carbon aeros carbon excels 340) 8.8 grains per inch. shot 2 deer this year with the same arrow and broad head montec g5. arrow is back in the quiver waiting to be used again this year. by the way arrow blew completely threw both times. these are the only carbons i have ever shot switched from aluminums to these. so i can only recomend the carbon excels