Carlsons Browning Invector Plus Choke Tube 12Ga Flush Full Designed for Browning Invector Plus shotguns;Compatible with 12-gauge firearms;Full constriction for tight, precise shot patterns;Flush-style choke for a seamless fit;Made from 17-4 heat-treated stainless steel;Works with steel, lead, and Hevi-Shot ammunition;Not recommended for steel shot larger than #BB or speeds exceeding 1550 fps;Made in the USA for superior craftsmanship;Ideal replacement choke for long-range shooting needstable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; } Item Category Code: 7600 Product Group Code: 7600K Product Sub Group 1: 7600K1 Inactive: No Prop65 Applies: No Prop65 Cancer Harm: No