The Gold Standard for choke tubes. What makes it different? First . . . the longer choke taper inside Diana Grade choke tubes improves pattern performance. These tubes offer a superior construction from stainless steel bar stock that is heat treated prior to machining. The use of a titanium nitride surface with 72HRC hardness provides excellent wear and reduced plastic buildup. And they look very very good on the muzzle end of your Browning Citori. - Stainless steel barstock is heat treated prior to machining - Titanium nitride surface 72HRC hardness for excellent wear and reduced plastic buildup - Absolutely perfect concentricity for superior patterning - Extends beyond the barrel for easy removal and installation - Material: 17-4 Stainless Steel - Color: Titanium Nitride - Pockets: Titanium Nitride - Choke: Gauge 28 - Choke Pattern Percentage: 45%-75% - Length: 0.025 - Weight: 4.8 oz

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