Product DescriptionUpgrade your Browning Invector-Plus shotgun with Carlson&';s Full Flush Replacement Choke Tube. Built in the USA from 17-4 heat-treated stainless steel, this durable choke delivers consistent patterns and long-lasting corrosion resistance. It is suitable for use with steel, lead, and Hevi-Shot. Per manufacturer guidance, avoid using steel shot larger than #BB or loads exceeding 1550 fps in any choke tighter than full. This full constriction, flush-mount design installs easily and is ready for the range or the field.Product Highlights Fits Browning Invector-Plus 12-gauge shotguns Full constriction with flush-mount profile for even patterns 17-4 heat-treated stainless steel for strength and corrosion resistance Compatible with steel, lead, and Hevi-Shot loads (see usage guidance) Proudly made in the USA Specs Compatibility: Browning Invector-Plus shotguns Gauge: 12 Gauge Constriction: Full Style: Flush mount Material: 17-4 heat-treated stainless steel Finish/Color: Stainless Country of Manufacture: USA UPC: 723189599669 Manufacturer Part Number: 59966 Brand: Carlson&';s 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 product&';s manufacturer.