Hunters Specialties Undertaker 12 Gauge Beretta/Benelli Mobil Choke Tube Turkey Black. Featuring unique internal groove technology it separates pellets from the wad while straight rifling prevents wad spinning ensuring more pellets stay on target. Specifications for Hunters Specialties Undertaker 12 Gauge Choke Tube: Manufacturer: Hunters Specialties Color: Black Gauge: 12 Choke Type: Turkey Package Contents: Hunters Specialties Undertaker 12 Gauge Choke Tube Hunters Specialties HS-TKYC-05: Undertaker 12 Gauge Beretta/Benelli Mobil Choke Tube Turkey Black