For the past 7 years, most of the time I’m shooting 530 grains at 290+ fps. If I’m hunting bigger stuff I’ll go heavier but the mid 500 range works well. I’ve had more penetration issues with 400-450 grain arrows then I care to remember and have never had a 550-700 grain arrow stay in any animal on any hit so I like to keep the weight up by today’s standards. Those in vogue, soda straw arrows leave you vulnerable on any bad hit or angle that requires 3’ of penetration. If you do a bit of testing, a heavier arrow (within reason) does very little to your trajectory within “normal” bow range.
I used to have a picture on my phone of two arrows I shot from my bow at 70 yards. They were 420 and 530 grains, difference in vertical POI was about 4”. Difference in penetration potential is significant.
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