Multi-phase groove technology engages the shot cup and guides the pellets into a tight and consistent pattern, shot after shot Extend your effective range with lethal patterns that reach out farther Rated for HEVI-SHOT, Winchester, Long Beard XR, Federal Premium 3rd Degree and other high-performance turkey loads Heat-treated steel for increased strength and durability with powerful turkey loads CNC-machined for optimum precision Polished end face for better seating and sealing, providing maximum power without pressure loss