The Gorilla 8.6 Blackout 300gr Sierra Match King Subsonic Ammunition 500 rounds is a powerful ammunition that delivers excellent performance. It is designed to be subsonic, which means that it produces less noise compared to other types of ammunition.

The 300-grain weight of the bullet gives it a high level of kinetic energy, which makes it ideal for hunting and self-defense purposes. It is also highly accurate, thanks to its well-designed bullet shape and excellent ballistic properties.

The Seira Subsonic is designed for use with modern sporting rifles and is optimized for use in AR-style firearms. It features a brass case that is both durable and reliable, ensuring that it will perform consistently with each shot.

The bullet is also designed with a polymer tip that helps to ensure excellent expansion upon impact, which makes it effective for taking down game at a distance. The bullet is also lead-free, which makes it environmentally friendly and safe to use.

Overall, the Gorilla 8.6 Blackout 300 Grains Seira Subsonic is an excellent ammunition choice for anyone who wants a powerful and reliable round for hunting or self-defense purposes. Its subsonic design, high kinetic energy, and excellent accuracy make it a top choice for any shooter who demands the best possible performance from their ammunition.