Gobbler...
Please read my last paragraph again.I've never shot at or killed a turkey with #4 buck.My personal choice is #6's which I "Think" is a little more effective on turkeys than #5's,but I have nothing to prove this.It's just my personal choice. I do think,however,that if you could bust a turkey with just one #4 buck in the neck/head area,that enough shock power would be there to put the bird down. Turkeys ARE tough birds,and I've shot them with rifles (legal in Florida) and had them fly 100-200 yards before falling. I'm not suggesting using #4 buck by any means,and I doubt that it would be as effective as #5's or 6's,but I bet it would work!