The CCI Blazer 40 S&W 165 Gr FMJ ammunition delivers reliable performance for training and target shooting at an economical price point. Featuring aircraft-grade aluminum casings and 165 grain Full Metal Jacket bullets this ammunition provides consistent accuracy while reducing costs for high-volume shooting.CCI Blazer 40 S&W 165 Grain Full Metal Jacket50 rounds per boxAircraft-grade aluminum casingNon-corrosive Berdan primersMuzzle velocity: 1 100 fpsMuzzle energy: 443 ft-lbsDesigned for target practice training and range shooting this ammunition feeds reliably in semi-automatic handguns. The aluminum cases are lightweight and corrosion-resistant though not suitable for reloading due to the Berdan primer system.