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rpalt1
04-10-2011, 07:29 PM
What would I gain/lose by having a 10% foc instead of 12% that I have now on my arrows? ics 400 blazers with 125 muzzy right now. I'm asking because my buddy just gave me some 100 gr heads and was thinking of checking them out but this foc thing is a little confusing;)

Ehunter
04-11-2011, 02:51 AM
You might lose a little penetration, as well as a bit of momentum, but I think with a 2% change, it would be pretty hard to tell the difference. Lightening up the head will make your arrows act stiffer, so might change the tune of your bow a bit. Could also cause a bit more bow noise, but it will gain you a bit in speed. Everything is a compromise. lol I'd say try them, and see how you like them, then decide on what you want to do.

HawgEnvy
04-11-2011, 02:51 AM
I can't really answer the question. From what I understand,its better to be slightly above FOC for broadheads,and not really an issue for target shooting. Until someone w more info chimes in,click on my username. Click on "find started threads" and look for the thread titled "arrow spine/FOC...does it matter?". That might answer your question or at least give you a rough idea to hold you over.

RLW
04-11-2011, 05:37 AM
What would I gain/lose by having a 10% foc instead of 12% that I have now on my arrows? ics 400 blazers with 125 muzzy right now. I'm asking because my buddy just gave me some 100 gr heads and was thinking of checking them out but this foc thing is a little confusing;)
You ""might"" have some weird arrow flight with broadheads, maybe like the arrow all of a sudden planning off high/right. BUT then going from 125gr to 100gr will also stiffen the arrow which can help and could fly just fine assuming the bow is in tune.
I personally did not typically like my arrows to have an FOC below 12%, but that's me and doesn't mean it can't fly well at 10%.........try them and see how accuracy is for you.