Truth Saddlery - SADDLE FIT BASICS - GULLET WIDTH Tree Widths: Semi-Quarter horse bars usually have a 6 1/4" gullet, and Quarter Horse Bars usually have a 6 1/2" to 6 3/4"
National Roper's Supply (NRS) Pro Series Ranch Roper Roping Saddle - Fine Western Saddles
Billy Cook Custom Cutting Saddle 16" Seat / 8" Gullet (Wide) - San Diego Saddlery