For over 50 years Aguila Ammunition has been dedicated to the development and manufacturing of recreational, hunting, self-defense, and law enforcement ammunition. Aguila is proud to offer an extensive line of ammunition and is recognized as one of the largest Rimfire manufacturers in the world! Their ammunition is produced in a newly updated state of the art facility that combines today's technology and premium raw materials with some of the most extensive quality control processes in the industry. All Aguila meets SAAMI and CIP standards guaranteeing the reliability and performance that customers demand.At 1700 feet per second out of the muzzle, Supermaxium is the fastest .22 rimfire round available. Making it perfect small game and varmint hunting with unmatched performance and accuracy!Specifications:Manufacturers Number 1B220297.22 Long Rifle30 GrainCopper Plated Hollow Point (CP HP)BulletBrass CasedNon Corrosive PrimersMuzzle Velocity 1700 fpsVelocity at 100 Yards 1190 fpsMuzzle Energy 193 ft/lbsEnergy at 100 Yards 94 ft/lbsUses Varmint and Small Game Hunting or Target Shooting50 Round Box