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 mossberg 3.5 accuchoke 835 ulti-mag and 935 magnum.Type: Choke TubeGauge: 12 GaugeConstriction Type: TurkeyConfiguration: Mossberg 835/935Finish: BlackConstrictiondiameter: .680Chokes Included: 1Recommended For: 40 ydsMaterial: Steel