Swift Bullet Company A-Frame Heavy Revolver Handgun Ammunition .44 Rem Mag .300 gr A-Frame 1346 fps 20/ct. 65x their original caliber and maintain 97percent of their weight. They are virtually indestructible at velocities in excess of 3000 feet per second. Specifications for Swift Bullet Company A-Frame Heavy Revolver Handgun Ammunition .44 Rem Mag .300 gr A-Frame 1346 fps: Manufacturer: Swift Bullet Company Caliber: .44 Remington Magnum Number of Rounds: 20 Bullet Type: Hollow Point (HP) Bullet Weight: 300 grain Cartridge Case Material: Brass Muzzle Velocity: 1346 ft/s Muzzle Energy: 1207 ft-lbs Application: Big Game Hunting Deer Self-Defense Package Type: Box Included Accessories: None Primer Style: Centerfire Package Contents: Swift Bullet Company A-Frame Heavy Revolver Handgun Ammunition .44 Rem Mag .300 gr A-Frame 1346 fps Swift Bullet Company 10005: A-Frame Heavy Revolver Handgun Ammunition .44 Rem Mag .300 gr A-Frame 1346 fps 20/ct