The Truglo Head Banger Long Range Turkey choke tube multi-phase groove technology engages the shot cup and guides the pellets into a tight and consistent pattern, shot after shot. Rated for HEVISHOT, 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 and a polished end face for better seating and sealing, providing maximum power without pressure loss. Compatible gun models are Winchester Winchoke, Maverick Arms 88, Mossberg Accuchoke 500/505/510 Mini and Mossberg Pro-Factor PF1. Features: 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