Product DescriptionThe Browning Standard Invector choke tube delivers uniform, consistent patterns for your 20-gauge Browning shotgun. Machined from durable 17-4 stainless steel, this cylinder-constriction tube features a flush-fit profile and is built to industry constriction standards. It is designed exclusively for Browning shotguns marked Standard Invector and is not compatible with models marked Invector-Plus or Invector-DS.Product HighlightsCylinder constriction for open patterns and close-range performancePrecision 17-4 stainless steel construction with corrosion-resistant stainless finishFlush-fit design for a clean look and easy installation/removalFits Browning shotguns with Standard Invector barrels only; not for Invector-Plus or Invector-DSSupports steel, lead, and non-toxic shot; lightweight at 4.80 ozSpecsBrand: BrowningModel: Standard InvectorGauge: 20 GaugeConstriction: CylinderStyle: FlushMaterial: 17-4 Stainless SteelFinish/Color: StainlessFirearm Fit: Browning shotguns designed for Standard InvectorApproved Shot Types: Steel, Lead, Non-ToxicPorted: NoRecommended Range: 20 ydsWeight: 4.80 ozUPC: 023614093718Manufacturer Part Number: 1130305Disclaimer: 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.