NovX Ammunition Pentagon 380 ACP 80 Grain Fluted Stainless Steel Cased Pistol Ammo 20 Rounds. These environmentally safe lead-free projectiles deliver petal expansion to twice the bullet diameter. The Pentagons higher velocities and greater impact energy than conventional composite bullets are credited to the monolithic copper bullets lighter weight and the NovX patented 2-piece stainless steel cartridge case design. The net result is a defensive cartridge that is lighter to carry concealed easier to shoot provides for fast sight picture acquisition on follow-up shots through reduced muzzle flip and superior terminal performance to quickly end defensive engagements. Specifications for NovX Ammunition Pentagon 380 ACP 80 Grain Fluted Stainless Steel Cased Pistol Ammunition: Manufacturer: NovX Ammunition Caliber: .380 ACP Number of Rounds: 20 Bullet Weight: 80 grain Cartridge Case Material: Nickel Alloy Stainless Steel Application: Self-Defense Package Type: Box Jacket Material: Copper Fabric/Material: Lead-Free Case Material: Stainless steel Package Contents: NovX Ammunition Pentagon 380 ACP 80 Grain Fluted Stainless Steel Cased Pistol Ammunition NovX 380CP80-20 Pentagon 380 ACP 80 Gr Fluted 20 Bx/ 10 Cs