View Full Version : Switching Grain Weight On Arrow
09-03-2008, 09:05 PM
I use beaman realtree carbons 400 spine @27.50 in with my 60lb 29 in draw martin saber. ok , i use 85 grain field tips giving the arrows 391 total weight sooo will i need to resite my bow in or any other issues if i use 100 grain broadheads ????
09-03-2008, 09:19 PM
My estimation is that there might be a bit of change, but not a lot. The heavier broadhead will change the FOC and they might hit a little lower. From my experience they would hit about 2" lower at 30 yards or so. Any speed change should be minimal so if you do have to adjust the sight I'd say all you'd have to do is gang adjust.
The results I've had changing from a 75 gr head to 100gr has been about 3" lower at 30 yards.
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