Sig's Elite Defense features a V-Shaped jacket with skives and scores to provide controlled, uniform expansion. A patented stacked hollow point bullet design features an additional hollow point cavity. Unique, toothed cannelure ensures maximum weight retention and terminal retention. Nickel-coated cases provide enhanced lubricity, superior corrosion resistance, and reliable feeding and extraction. Caliber 40 S&W Application Home Defense Bullet Type V Crown Jacketed Hollow Point Bullet Weight 180 gr Muzzle Energy 388 ft lbs Boxes Per Case 10 Rounds Per Box 50 Casing Material Nickel-Plated Brass Muzzle Velocity 985 fps Unit Of Measure box