Magnus Bullhead Turkey Head Brodhead's 10 Grain (3 Pack) Magnus Bullhead Turkey Head Broadheads 3 pack. 10 GRAIN. No cut-impeding straws on these blades... these heads are all business all the time. Great flight characteristics and strong .048 stainless steel means accuracy and durability all season long. Resharpen or replace them when you're ready... in fact there's one set of free replacement blades in every pack.