Aguila Ammunition Rimfire, 22 LR, 38Gr, Hollow Point, Hi-Velocity, 500 Round Box 1B221118 Make a lasting impression. The knockout power of this highly effective round will help you take out small game and varmints with confidence. These hard-hitting rounds deliver controlled expansion with devastating results. Manufactured using Aguila Prime technology, which is engineered and tested to Olympic shooting standards, Aguila's rimfire cartridges are meticulously formed for performance and perfection. Clean combustible powders, maximum output at controlled pressures, and a strict quality assurance program all add up to give shooters the Aguila Advantage.