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.32-40 Ballard
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.32-40 cartridge between .223 Remington (left) and .270 Winchester (right)
Type Rifle
Place of origin USA
Specifications
Case type Rimmed straight
Bullet diameter .320 in (Bad rounding hereScript error mm)
Neck diameter .338 in (Bad rounding hereScript error mm)
Base diameter .424 in (Bad rounding hereScript error mm)
Rim diameter .506 in (Bad rounding hereScript error mm)
Rim thickness .063 in (Bad rounding hereScript error mm)
Case length 2.13 in (Bad rounding hereScript error mm)
Overall length 2.59 in (Bad rounding hereScript error mm)
Rifling twist 1 in 16
Primer type Large rifle
Ballistic performance
Bullet weight/type Velocity Energy
165 gr (Bad rounding hereScript error g) 1,440 ft/s (Bad rounding hereScript error m/s)760 ft·lbf (Bad rounding hereScript error J)
165 gr (Bad rounding hereScript error g) 1,430 ft/s (Bad rounding hereScript error m/s)755 ft·lbf (Bad rounding hereScript error J)
155 gr (Bad rounding hereScript error g) lead1,460 ft/s (Bad rounding hereScript error m/s)786 ft·lbf (Bad rounding hereScript error J)
165 gr (Bad rounding hereScript error g) 1,740 ft/s (Bad rounding hereScript error m/s)1,115 ft·lbf (Bad rounding hereScript error J)
Test barrel length: 20 inches (Bad rounding hereScript error mm)

The .32-40 Ballard (also called .32-40 Winchester)[1] is an American rifle cartridge.

Introduced in 1884, the .32-40 was developed as a black powder match-grade round for the Ballard single-shot Union Hill No. 8 and 9 target rifles. Using a 165-grain (Bad rounding hereScript error g) bullet over 40 grains (Bad rounding hereScript error g) of black powder (muzzle velocity 1,440 ft/s (Bad rounding hereScript error m/s), muzzle energy 755 ft·lbf (Bad rounding hereScript error J)), the factory load gained a reputation for fine accuracy, with a midrange trajectory of 11 inches (Bad rounding hereScript error cm) at 200 yd (Bad rounding hereScript error m).[2] It was available in Winchester and Marlin lever rifles beginning in 1886.[2] It stopped being a factory chambering around 1940.[2]

It provides performance sufficient for deer at up to 300 yards (Bad rounding hereScript error m) in a modern rifle, for which it can be loaded to about equal the .30-30.[2] It is more than enough for varmints, including coyotes and wolves, or medium-sized game.

The .32-40 also served as the basis for Harry Pope's wildcat .33-40.

See alsoEdit

ReferencesEdit

  1. Barnes, Frank C., ed. by John T. Amber. Cartridges of the World (Northfield, IL: DBI Books, 1972), p.67.
  2. 2.0 2.1 2.2 2.3 Barnes, p.47.

SourcesEdit

  • Barnes, Frank C., ed. by John T. Amber. Cartridges of the World (Northfield, IL: DBI Books, 1972),

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