Product DescriptionThe RRaptor BIZ choke from Rob Roberts Gun Works is purpose-built for bismuth and lead shot, delivering consistent, hard-hitting patterns from 12-gauge shotguns using the Invector Plus system. Precision-machined from durable 17-4 PH U.S. stainless steel, this choke tube reflects years of development and advanced manufacturing to provide reliable performance in the field. Note: Over/Under shotguns can use an RRaptor choke in only one barrel due to the choke's design.Product HighlightsEngineered for bismuth or lead shot use with the RRaptor BIZ choke designFits 12-gauge shotguns with the Invector Plus choke systemMade from tough 17-4 PH stainless steel for strength and longevityDeveloped from extensive testing to deliver tight, consistent patternsExtended-profile choke for easy installation and removalSpecsGauge: 12 GaugeChoke System: Invector PlusSeries/Model: RRaptor BIZShot Compatibility: Bismuth or lead onlyMaterial: 17-4 PH stainless steel (U.S.)Manufacturer: Rob Roberts Gun WorksUPC: 810174902075MPN: 200298Brand Name: Johnny StewartDisclaimer: 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.