.32 ACP

.32 ACP
Standard (left) and nickel-coated military (right) full metal jacket (FMJ) .32 ACP rounds
TypePistol
Place of originUnited States
Production history
DesignerJohn Browning
ManufacturerFabrique Nationale
Produced1899–present
Specifications
Case typeSemi-rimmed, straight
Bullet diameter.3125 in (7.94 mm)
Land diameter.3005 in (7.63 mm)
Neck diameter.3365 in (8.55 mm)
Base diameter.337 in (8.6 mm)
Rim diameter.358 in (9.1 mm)
Rim thickness.045 in (1.1 mm)
Case length.680 in (17.3 mm)
Overall length.984 in (25.0 mm)
Primer typeSmall pistol
Maximum pressure20,500 psi (141 MPa)
Ballistic performance
Bullet mass/type Velocity Energy
60 gr (4 g) JHP[1] 1,100 ft/s (335 m/s) 161 ft⋅lbf (218 J)
65 gr (4 g) JHP[2] 925 ft/s (282 m/s) 123 ft⋅lbf (167 J)
71 gr (5 g) FMJ[3] 984 ft/s (300 m/s) 158 ft⋅lbf (214 J)
73 gr (5 g) FMJ[4] 1,043 ft/s (318 m/s) 177 ft⋅lbf (240 J)
Test barrel length: 4 in,[1] 4 in,[2] 5.9 in,[3] 3.9 in[4]
Source(s): [1][2][3][4]

.32 ACP (Automatic Colt Pistol, also known as the .32 Auto, .32 Automatic, or 7.65×17mmSR) is a centerfire pistol cartridge. It is a semi-rimmed, straight-walled cartridge developed by firearms designer John Browning, initially for use in the FN M1900 semi-automatic pistol. It was introduced in 1899 by Fabrique Nationale, and is also known as the 7.65 mm Browning Short.[5]

  1. ^ a b c "32 Auto 60gr Fiocchi JHP". Archived from the original on 2015-01-21. Retrieved September 29, 2014.
  2. ^ a b c "Federal Cartridge Co. ballistics page". Archived from the original on 2007-09-22. Retrieved 2007-02-14.
  3. ^ a b c "Geco 7.65 Browning/.32 ACP". Retrieved June 23, 2016.
  4. ^ a b c "Sellier & Bellot Pistol and Revolver Cartridges". Retrieved October 22, 2015.
  5. ^ Barnes, Frank C. (2006) [1965]. Skinner, Stan (ed.). Cartridges of the World (11th ed.). Iola, Wisconsin, United States: Gun Digest Books. p. 289. ISBN 0-89689-297-2.

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