The Sig Sauer E10MB150 Elite Ball 10mm Auto 180 gr Full Metal Jacket round delivers a reliable, shooter-friendly option from the Elite Ball series, engineered for target shooting and training where consistent feeding and predictable ballistics matter; these solid brass cartridges pair durable copper-jacketed bullets that stay with the lead at impact with dependable primers and clean-burning powders to reduce barrel fouling and support reliable functioning in semi-automatic pistols, and they launch a 180-grain FMJ at about 1250 fps for roughly 624 ftlbs of energyideal for range sessions, defensive practice, and ballistic testing where known velocity and energy are important. As a Sig Sauer-branded offering, the E10MB150 is suited to experienced 10mm shooters and range instructors who need repeatable performance and easy-to-see impacts with FMJ construction, and its brass casings aid in extraction reliability and reloading considerations for enthusiasts who reload. If you're running 10mm Auto for regular practice, drills, or accuracy work, the Elite Ball's consistent primers and fouling-reducing powder choice help keep maintenance time down and allow you to focus on technique and follow-up shots.