Shop All Muzzy Broadheads. A Number One Seller at Mountain Archery. Mountain Archery offers a full line of Muzzy Broadheads including the Muzzy Trocar, Muzzy 3 Blade, Muzzy SG-X, Muzzy Screw in Broadheads, Muzzy Replacement Blades, Muzzy Practice Blades, and Muzzy Replacement Tips.