WhitetailTech, I shot my Pat DC through a chrony with a 305 gr ACC Hyperspeed. At 55#, 29" it went 301. This is with the hush kit on and limb savers added. I have a loop on the string, also. The impressive thing to me was the speed with my normal arrow at 368 gr... 288 fps. I' d say you' ll be around the same at 60#. Mine BTW maxes at 61.5 and shot 320 at the factory.