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. CNCmachined for optimum precision and a polished end face for better seating and sealing, providing maximum power without pressure loss. Compatible gun models are Browning Invector Series, Charles Daly OU, H&R (excluding Excell auto), Ithaca, Maverick Arms 88, Mossberg 500/535/9200/930/Pro-Factor PF1, New England Firearms, SKB, Stoeger Coach/Condor/Uplander, Weatherby and Winchester Winchoke 1200/1300/1400,