Product DescriptionUpgrade your Browning Invector Plus shotgun with Carlson's Replacement Modified Flush Choke Tube. Built in the USA from 17-4 heat-treated stainless steel, this durable choke delivers consistent patterns and reliable performance with lead, steel, copper, and Hevi-Shot-within manufacturer recommendations. The Modified constriction provides a versatile balance of pellet density and spread, and the flush-mount design seats cleanly in the barrel. Approximate constriction diameter is 0.720 inch.Product HighlightsPrecision 17-4 heat-treated stainless steel construction for strength and corrosion resistanceModified constriction (~0.720 in) for balanced pattern performance across hunting and claysFlush-mount profile for a clean barrel fitFits Browning Invector Plus 12-gauge shotgunsCompatible with lead, steel, copper, and Hevi-Shot; do not use steel shot larger than #BB or over 1550 fps in chokes tighter than FullSpecsGauge: 12 GaugeChoke System: Browning Invector PlusConstriction: ModifiedStyle: FlushMaterial: 17-4 Stainless SteelColor/Finish: StainlessApprox. Diameter: 0.720 inCountry of Manufacture: USAUPC: 723189599645Manufacturer Part Number: 59964Brand: CarlsonsDisclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product's manufacturer.