The Carlson's Turkey Shotgun Choke Tube in 20 GA Black (.575") is a high-quality stainless steel accessory designed for shotguns like Browning, Mossberg 500, Weatherby, and Savage. Made in the United States, this choke tube is specifically designed for 20 gauge shotguns and comes in a sleek black color. This is a new item in original package and never opened. Look at pics for a good description.