Pack of 3 Broadheads The MX-3 is a 100 Grain 3 Blade with a shorter profile, wider cut, and thicker blades than our standard 100 Grain 3 Blade Muzzy. Features 1 1/4 Cutting Diameter, .025 Thick Blades, and the Bad To The Bone Trocar Tip! The MX-3 is a 100 Grain 3 Blade with a shorter profile, wider cut, and thicker blades than our standard 100 Grain 3 Blade Muzzy. Features 1 1/4 Cutting Diameter, .025 Thick Blades, and the Bad To The Bone Trocar Tip!