Allegiance Ammunition OneStrike 9mm Luger 90 Grain Ballistic Tip Round Nose Brass Cased Pistol Ammo 20 Rounds. The H.E.T (high energy transfer) frangible core and heavier slower rounds are designed to be more explosive going through certain light barriers to prevent it from going through walls and fragment completely within the first 5-6 inches of soft tissue. Specifications for Allegiance Ammunition OneStrike 9mm Luger 90 Grain Ballistic Tip Round Nose Brass Cased Pistol Ammunition: Manufacturer: Allegiance Ammunition Caliber: 9mm Luger Number of Rounds: 20 Bullet Type: Jacketed Compressed Poweder Metal Core (JCPMC) Round Nose (RN) Bullet Weight: 90 grain Cartridge Case Material: Brass Muzzle Velocity: 1425 ft/s Application: Home Defense Package Type: Box Primer Style: Centerfire Lead Free: No Features of Allegiance Ammunition OneStrike 9mm Luger 90 Grain Ballistic Tip Round Nose Brass Cased Pistol Ammunition Designed for inside sensitive areas metal enclosures home protection and high crowd areas H.E.T (high energy transfer) frangible core Fragments completely within the first 5-6 inches of soft tissue Package Contents: Allegiance Ammunition OneStrike 9mm Luger 90 Grain Ballistic Tip Round Nose Brass Cased Pistol Ammunition Allegiance Ammunition 9MMOS-L-90-20: OneStrike 9mm Luger 90 Grain Ballistic Tip Round Nose Brass Cased Pistol Ammo 20 Rounds