Oak Island Ammunition takes pride in producing premier ammunition that is accurate, reliable and cost-effective. All of their products are made using top grade components and rigorously tested by shooting professionals. They understand that when it comes to the ammo you train and compete with, it has to be consistent, and reliable. It is their mission to always bring you the highest quality product at an affordable price.
Info about the nas3 shell shock case can be found here: https://www.all4shooters.com/en/shooting/ammunition/shell-shock-technologies-NAS3-composite-shell-cases/