Hunters Specialties STRUT Choke Tube Ported XT 20Ga HD Moss 500

“The Undertaker XT High Density Ported Choke Tube works with High Density Hevi-Shot, bismuth and tungsten loads in 12 and 20-guage shotguns. Features blued finish, 3-inch long tube. Knurled end for easy hand installation. Fits all 2-3/4″”, 3″” and 3-1/2″” guns.”