STRUT Undertaker XT High Density Beretta Optima Plus 12 Gauge Choke Tube

Works with high density Hevi-Shot bismuth and tungsten loads in 12 and 20-gauge 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. Check owner's manual for thread pattern. Fit: Beretta Optima Plus, Extrema, AL 391, Benelli Vinci/Super Vinci, SBE2, M2 Super 90. Specs: UPC: 021291067145 Part #: 06714 Ported: Yes Rating: High Density Loads #4, #5, #6. Gauge: 12 ID: .695 Type of Load: Hevi-Shot, Tungsten Matrix, Copper Plated Lead, Steel, Bismuth, High Density Shot.