Ok, I've tuned my FC400 using paper tuning, walkback tuning, and shooting at vertical and horizontal lines. It is a tack driver with both field points and broadheads. The problem I have is, I can't for the life of me get them to group together. Last night I was gettng 4 inch groups at 70 yards with broadheads. I get the same with field points. Problem is, the groups are at least 2 feet apart at that distance. Roughly 4 inches apart at 20 yards. Field points hitting to the left of the BH's. I have moved the rest left and right, VERY slowly, (1/32nd of an inch at a time), and it never improves beyond this point. I have shot heavier spined arrows, and get the same result. Any Ideas? Thanks guys!
2006 Rytera Bullet X 60#---2008 Moab 70#
2008/12 Firecat 60#--- 2010 Warthog 70#
2010/2012 Alien X 65# 2011 Onzas 60 & 70#
2009 Warthog 70#---2009 Firehawk 70#
2010 Strother SR-71 65# & 2012 Strother Rush 65#
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