This lengthens the throw of the index over a longer period of the stroke. By doing so it provides more reliable indexing, reduced case wobble, and reduced pressure on the rear shoulder bolt. Note: This product only works for cases that are the same length or shorter than 223 Remington.
This ships as an entire assembly. In order to ensure customer satisfaction, it includes the necessary springs, pawl, roller, and attachment bracket for the return spring. This just ensures you have everything you need to have a “plug-and-play” experience.