.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 1,100 ft/s (335 m/s) 161 ft⋅lbf (218 J)
65 gr (4 g) JHP 925 ft/s (282 m/s) 123 ft⋅lbf (167 J)
71 gr (5 g) FMJ 984 ft/s (300 m/s) 158 ft⋅lbf (214 J)
73 gr (5 g) FMJ 1,043 ft/s (318 m/s) 177 ft⋅lbf (240 J)
75 gr (5 g) Lead +P 1,150 ft/s (350 m/s) 220 ft⋅lbf (300 J)
Test barrel length: 4 in, 4 in, 5.9 in, 3.9 in
Source(s):

.32 ACP (Automatic Colt Pistol, also known as the .32 Auto, .32 Automatic, 7.65mm Browning, 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.

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