Underwood Ammo .44 Special 200 Grain Coated Hard Cast Nickel Plated Brass Cased Pistol Ammo 20 Rounds. Specifications for Underwood Ammo .44 Special 200 Grain Coated Hard Cast Nickel Plated Brass Cased Pistol Ammunition: Manufacturer: Underwood Ammo Caliber: .44 Special Number of Rounds: 20 Bullet Type: Hard Cast Wadcutter (HCWC) Bullet Weight: 200 grain Cartridge Case Material: Nickel Plated Brass Muzzle Velocity: 1000 ft/s Muzzle Energy: 444 ft-lbs Application: Target Package Type: Box Primer Style: Centerfire Sectional Density: 0.16 Lead Free: No Features of Underwood Ammo .44 Special 200 Grain Hard Cast Wadcutter Hi-Tek Coated Nickel Plated Brass Cased Centerfire Pistol Ammunition This ammo is a proven round for hunting. This round is designed to be subsonic and travels slower than the speed of sound. This product has been designed to be an effective choice for the ultimate in self-defense applications. The bullet in this product has a Sectional Density (SD) of 0.155244910489666. SD is the ratio of an object's mass to its cross sectional area with respect to a given axis. It conveys how well an object's mass is distributed (by its shape) to overcome resistance along that axis. This ammo IS SAFE to use in a suppressor. The bullet in this ammo has a ballistic coefficient (G1) of - Generally the higher the coefficient the more stable the projectile will be in flight. Package Contents: Underwood Ammo .44 Special 200 Grain Coated Hard Cast Nickel Plated Brass Cased Pistol Ammo Underwood Ammo 736: .44 Special 200 Grain Coated Hard Cast Nickel Plated Brass Cased Pistol Ammo 20 Rounds