.32 rimfire

The .32 rimfire refers to a family of cartridges which were chambered in revolvers and rifles in the late 19th and early 20th centuries. These rounds were made primarily in short and long lengths, but extra short, long rifle and extra long lengths were offered.

.32 Short Rimfire
TypeRifle and handgun
Place of originUnited States
Production history
DesignerSmith & Wesson
Designed1860
Specifications
Case typeRimmed, straight
Bullet diameter.316 in (8.0 mm)
Neck diameter.318 in (8.1 mm)
Base diameter.318 in (8.1 mm)
Rim diameter.377 in (9.6 mm)
Case length0.575 in (14.6 mm)
Overall length0.948 in (24.1 mm)
Primer typeRimfire
Ballistic performance
Bullet mass/type Velocity Energy
80 gr (5 g) Rimmed 945 ft/s (288 m/s) 126 ft⋅lbf (171 J)
Test barrel length: 24
.32 Long Rimfire
TypePistol/Rifle
Place of originUnited States
Production history
DesignerSmith & Wesson
Designed1860
Specifications
Case typeRimmed, straight
Bullet diameter.316 in (8.0 mm)
Neck diameter.318 in (8.1 mm)
Base diameter.318 in (8.1 mm)
Rim diameter.377 in (9.6 mm)
Case length0.791 in (20.1 mm)
Overall length01.26 in (32 mm)
Primer typeRimfire
Ballistic performance
Bullet mass/type Velocity Energy
90 gr (6 g) Rimmed 1,080 ft/s (330 m/s) 233 ft⋅lbf (316 J)
Test barrel length: 24
.32 Extra Long
TypePistol/Rifle
Place of originUnited States
Specifications
Case typeRimmed, straight
Bullet diameter.316 in (8.0 mm)
Neck diameter.318 in (8.1 mm)
Base diameter.318 in (8.1 mm)
Rim diameter.377 in (9.6 mm)
Case length1.150 in (29.2 mm)
Overall length01.26 in (32 mm)
Primer typeRimfire
Ballistic performance
Bullet mass/type Velocity Energy
90 gr (6 g) Rimmed 1,050 ft/s (320 m/s) 221 ft⋅lbf (300 J)
Test barrel length: 24
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