The bullet's hollow base flares outward when faced with propellant gas pressure, causing the expanded rear of the bullet to transfer seamlessly from cylinder to bore and then to accept rifling with a generous amount of service area. In effect, the round receives ample spin stabilization for incredible accuracy downrange. Since HWBCs are loaded flush with their casings, there is smaller space available for powder so that recoil can be expected to remain manageable. Since the bullet maintains a wadcutter format, its top is mostly flat and leaves cookie-cutter holes in targets for easy scoring and greater chance to cross the perforation with would-be near-misses.
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