The Rival Arms RARA50A101T is designed for seasoned shooters who understand the challenges posed by plastic guide rods. Such rods are susceptible to chipping, cracking, or breaking, leading to potential ejection or feeding failures. These elements can also affect your shooting accuracy.With Rival Arms Guide Rod Assemblies, these issues are eliminated. Designed to offer a superb blend of durability and reliable performance, these assemblies ensure you get consistent service over their lifetime.