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.40-65 Winchester
Type Rifle
Place of origin USA
Specifications
Bullet diameter .406 in (Bad rounding hereScript error mm)
Neck diameter .423 in (Bad rounding hereScript error mm)
Shoulder diameter .560 in (Bad rounding hereScript error mm)
Base diameter .504 in (Bad rounding hereScript error mm)
Rim diameter .604 in (Bad rounding hereScript error mm)
Case length 2.1 in (Bad rounding hereScript error mm)
Overall length 2.48 in (Bad rounding hereScript error mm)
Rifling twist 1:20 to 1:26
Primer type large rifle
Ballistic performance
Bullet weight/type Velocity Energy
260 gr (Bad rounding hereScript error g) 1,500 ft/s (Bad rounding hereScript error m/s)1,308 ft·lbf (Bad rounding hereScript error J)
260 gr (Bad rounding hereScript error g) 1,720 ft/s (Bad rounding hereScript error m/s)1,708 ft·lbf (Bad rounding hereScript error J)
260 gr (Bad rounding hereScript error g) 1,420 ft/s (Bad rounding hereScript error m/s)1,165 ft·lbf (Bad rounding hereScript error J)
Source(s): Barnes & Amber

The .40-65 Winchester (also called the .40-65 Winchester and Marlin)[1] was an American rifle cartridge.

Introduced in 1887 for the Winchester Model 1886, and available in Winchester single shots and in the Marlin Model 1895, it was "a further effort to put more steam" in repeating rifle cartridges.[2]

It was commercially available in black and smokeless varieties until around 1935, and can be handloaded by reforming .45-70 brass.[2]

NomenclatureEdit

The nomenclature of the period was based on several properties of the cartridge:

  • .40: nominal caliber in inches: 0.40 inches (10.2 mm); actual caliber was .406 in ( mm)[3]
  • 65 : weight of propellant (black powder) charge, in grains: 65 grains (4.2 g)

See alsoEdit

ReferencesEdit

  1. Barnes, Frank C., ed. by John T. Amber. Cartridges of the World (Northfield, IL: DBI Books, 1972), p.94, ".40-65 Winchester" ISBN 0-695-80326-3.
  2. 2.0 2.1 Barnes, and Amber, p.94.
  3. Barnes, and Amber, p.123.

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