Hornady American Gunner, 40 S&W, 180 Grain, XTP, 20 Round Box 91364 The American Gunner(R) line of ammunition is a collection of tried-and-true, versatile loads that are popular with shooters for their target shooting, hunting or self-defense needs. Made in the USA with premium components, American Gunner(R) ammunition combines generations of ballistics know-how with modern technology.