Introducing our premium Tungsten weights, meticulously engineered to seamlessly integrate with the JP Silent captured spring and VMOS bolt carrier systems. These high-density weights are crafted to replace one or more of the existing components, optimizing the reciprocating mass within your firearm's operating system. By utilizing these standard Tungsten weights, you can achieve superior balance and performance, enhancing the overall efficiency and reliability of your setup. Whether you're looking to fine-tune your system for competitive shooting or simply seeking to improve operational smoothness, our Tungsten weights offer a robust solution for precision and durability.