Combining the reliable flight of a fixed blade with the wound-maximizing cutting diameter of a mechanical, DirtNap Gear's BMF Hybrid Broadheads deliver the spot-on performance hunters crave. A proprietary spring blade-retention system remains closed at high speeds and opens instantaneously on contact without use of O-rings or retaining clips. The BMF Hybrid unleashes massive “X” cuts with pile-driving penetration thanks to 2.25" of cutting surface. Customize the broadhead's weight to 100 or 125 gr. using the patented modular weight system. Surgical-sharp 420J2 stainless steel blades. Aircraft-grade 7075 aluminum ferrule. Cutting diameter 1 1/4”.