Magtech 40 S&W 165 Grain Full Metal Jacket Flat Brass Cased Pistol Ammo 50 Rounds. Magtech FMJ ammunition delivers reliable accurate performance on the range. Available in a wide variety of calibers and bullet weights along with supersonic and subsonic options where applicable.. Specifications for Magtech 40 S&W 165 Grain Full Metal Jacket Flat Brass Cased Pistol Ammunition: Manufacturer: Magtech Caliber: .40 S&W Number of Rounds: 50 Bullet Type: Full Metal Jacket Flat Nose (FMJFN) Bullet Weight: 165 grain Cartridge Case Material: Brass Muzzle Velocity: 1050 ft/s Application: Target Package Type: Box Primer Style: Centerfire Package Contents: Magtech 40 S&W 165 Grain Full Metal Jacket Flat Brass Cased Pistol Ammunition Magtech 40G: 40 S&W 165 Grain Full Metal Jacket Flat Brass Cased Pistol Ammo 50 Rounds