Carlsons Replacement Browning Invector Plus 12ga Flush is a precision-engineered choke tube designed specifically for Browning Invector Plus shotguns. Proudly made in the USA this choke tube is crafted from 17-4 heat-treated stainless steel ensuring exceptional durability and performance. It is compatible with steel lead and Hevi-Shot ammunition making it versatile for various shooting needs. However steel shot larger than #BB or exceeding speeds of 1550 fps should not be used in constrictions tighter than full. Featuring a sleek stainless finish this 12-gauge choke offers reliable performance and is a perfect addition for any shooting enthusiast seeking quality and precision.