Speer electrochemically bonds the deepcurl jacket to the lead core to create the toughest, most accurate handgun hunting bullet possible.Pre-formed petals expand reliably and consistently and the bullets high weight retention ensures deep penetration on heavy-bodied game.Coefficient: .183Bullet Type: Hollow Point (HP)Bullet Diameter: .410Weight: 210 grBullet Caliber: 41 CaliberJacket Material: CopperBullet Tip Material: Hollow PointCore Material: LeadCannelure: YesSectional Density: .178Quantity: 100 Per BoxRecommended Usage: Hunting