RE: BowTech Allegiance.... 500 grain arrow.... 333 f.p.s.
 

My Allegiance chrono'd at 295fps with Gold Tip 5575 XT Hunters 85 grain tips 4" Bohning fletching 28.5" length. I shot a 301 grain Gold Tip(total arrow weight) from my bow at 328fps. 65# 29" Draw

RE: BowTech Allegiance.... 500 grain arrow.... 333 f.p.s.
 

Looks like you're about 11 fps faster at 65/29 than my 60.7/29 inch Allegiance and you're showing 71.92 ft. lbs. K.E.;)