Excalibur Crossbow Forum

Dont have bow yet I am buying as soon as my income taxes come back. I am buying the matrix 380 xtra. I am looking to shoot these heads

http://www.amazon.com/Bullhead-Blade-Br ... broadheads

New to everything, meaning bow , hunting that kind of thing. I want to hunt turkeys so here goes the question.

How long of a bolt do need to shoot a bullhead style broadhead? Will 18" do the trick or do I need longer arrow?