Defense Features The Monolithic Hollow Point (MHP) is an all copper bullet with massive expansion and great stopping power. It s designed to reliably feed into all pistol and carbine chambers and is calibrated for consistent devastating terminal performance regardless of barrel length. By achieving excellent expansion repeatable time-after-time the Norma MHP is poised to set a new standard for personal defense ammunition. Defense Specifications Ammunition Type: Handgun Bullet Weight (Grains): 85 Caliber/Gauge: 380 ACP Each Height: 1.9 Each Length: 4.7 Each Volume: 20.539 Each Weight: 1.76 Each Width: 2.3 Rounds Per Box: 20