The Browning 410 Invector Improved Cylinder Choke Tube is a top-tier accessory designed to enhance your shotgun's performance with precision and reliability. Engineered from durable 17-4 stainless steel this choke tube ensures long-lasting durability and resistance to wear. It is crafted to meet industry constriction standards delivering uniform and consistent shot patterns for improved accuracy. Specifically designed for Browning shotguns compatible with the standard invector system this choke tube is not suitable for models marked with Invector-Plus or Invector-DS. With its sleek stainless finish and flush type design it is approved for use with steel lead and non-toxic ammunition making it versatile for various shooting applications. Ideal for distances up to 30 yards this choke tube is the perfect choice for shooters seeking dependability and precision in every shot.