Features:Designed for Optimum Performance in Short Barrel PistolsOptimized Terminal Performance, Penetration Depth, Expansion, and Weight RetentionReduces Felt RecoilSofter Shooting Performance for Better Compatibility with Lightweight Short-Barreled Pistols1050 ft/sec 282 ft-lbs Muzzle Energy from 3.1" BarrelSpecifications:Platform: PistolAmmo Application: DefensiveAmmo Type: Jacketed Hollow Point (JHP)Series: ROSECaliber: 9mm LugerGrain Weight: 115 GrainQty Per Package: 20Test Barrel Length (in): 4.0 A 1/16Muzzle Velocity: 1,050 fpsMuzzle Energy: 282 ft-lbsBullet Length: 14.859 mmLead Free: NoStaked Primer: No