Immerse yourself in the exhilarating world of range shooting with the Winchester Ammo USA FS 300 Blackout 147 Grain FMJ Ammunition. Built for precision and reliability, this ammunition delivers a powerful muzzle energy and a swift muzzle velocity. The bullets are encased in sturdy brass and feature a full metal jacket style, ensuring consistent ballistic performance and superior penetration. Please note that these are not subsonic and are not designed for reloading. Whether you're honing your skills or participating in a competition, this ammunition is your ticket to a successful shooting experience.