Product DescriptionThe Browning Invector-DS 12 Gauge Flush Choke Tube (Modified) delivers consistent, reliable patterns with Brownings innovative double-seal design. A proprietary differential banded gas seal minimizes residue build-up and makes installation and removal easy, while the integrated spring suspension maintains a tight seal and smooth transition for the shot column. Designed to fit flush with the barrel on Browning shotguns marked Invector-DS, this durable steel choke with chrome finish is optimized for performance and convenience.Product HighlightsInvector-DS double-seal system keeps choke tubes cleaner and reduces foulingFlush-fit design with longer taper for consistent, reliable pattern tighteningDifferential banded gas seal enables easy removal/installation and controls gasIntegrated spring suspension maintains seal while allowing expansionBuilt for Browning shotguns marked Invector-DS only; not compatible with Invector-Plus or Standard InvectorSpecsGauge: 12Choke Type: ModifiedFit: FlushChoke System: Browning Invector-DSLength: 3.125 inWeight: 1 ozChoke Notches: IIIIPattern Percentage: 35% - 40%Material: SteelFinish: ChromeUPC: 023614373476Manufacturer Part Number: 1133273Brand: Browning*Disclaimer: 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 products manufacturer.*