44 Magnums for Sale - Buy 44 Magnum Ammo Online

Every day there are hundreds of auctions for the American classic 44 Magnum. Whether it's the Smith & Wesson Model 29 or a Henry Big Boy rifle, you can buy with confidence from GunBroker.com. Browse all of the 44 magnum auctions below and be sure to check back often because new ones are added every day.

44 Magnum Ammo Specs

  • Parent case: .44 S&W Special
  • Bullet Diameter: .429 in (10.9 mm)
  • Neck Diameter: .457 in (11.6 mm)
  • Base Diameter: .457 in (11.6 mm)
  • Rim Diameter: .514 in (13.1 mm)
  • Rim Thickness: .060 in (1.5 mm)
  • Case Length: 1.285 in (32.6 mm)
  • Overall Length: 1.61 in (41 mm)

History of the 44 Magnum

Originally designed for revolvers and later adapted for carbines and rifles, the .44 Magnum is a large-bored cartridge resulting from years of tuned handloading of the .44 Special. It was developed by 20th century writer and outdoorsman Elmer Keith to be a lengthened .44 Special loaded to higher pressures for a greater velocity.

Keith approached manufacturers Smith & Wesson and Remington to produce the ammunition on a commercial level, and in 1955, Smith & Wesson produced the Model 29. Soon after, in 1956, Ruger began producing the single-action Blackhawk Revolver. As the popularity of the .44 Magnum increased, Ruger introduced the first long gun; a semi-automatic carbine adapted for the .44 Magnum round.

Although modern improvements include alloy casings, and other manufacturing improvements to make the cartridge larger and more powerful, the .454 Casull and .480 Ruger are in revolvers the same size as a .44 Magnum, the .44 Magnum is still considered a top choice today. In 2006, to commemorate the 50th anniversary of the .44 Magnum, Ruger introduced a special 50th anniversary Blackhawk revolver in the "Flattop" style.

While popular with shooters since its introduction, the .44 Magnum's popularity took off with the general public in 1971 when it was used in the Smith & Wesson Model 29 in Clint Eastwood's feature film, "Dirty Harry". In the movie, Eastwood describes the M29 as the "most powerful handgun in the world," and the guns began selling at up to three times suggested retail price.

Uses for the 44 Magnum

The .44 Magnum is a dual-purpose handgun/rifle cartridge with sufficient power for medium-sized game like elk. However, the deep penetrating rounds of the .44 Magnum combined with precise shot placement have been known to take down even the largest of game including Cape Buffalo. It has also been known to take down Polar Bears and Elephants.

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44 Magnum in Revolvers

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