A mild magnum for small-frame revolvers. Precursor to the .327 Federal Magnum.
Type: Revolver
Introduced: 1984, United States
Parent case: .32 S&W Long
Standardization: SAAMI
Bullet diameter: 0.312" (7.92 mm)
Case length: 1.075" (27.31 mm)
Overall length: 1.35" (34.29 mm)
Max pressure: 21,000 PSI
Rim type: Rimmed
Primer: Small Pistol
Typical twist rate: 1:16
Muzzle velocity: 1000–1200 fps
Muzzle energy: 190–300 ft-lbs
Effective range: 50 yd
Common bullet weights: 85, 95, 100 gr
Primary use: Self-Defense, Small Game
Production status: Active
Also known as: .32 H&R
History: Developed jointly by Harrington & Richardson and Federal in 1984. Designed to give small revolvers better performance than .32 S&W Long without excessive recoil.
Notable firearms: Harrington & Richardson Model 504, Ruger Single-Six, S&W Model 16
Similar cartridges: .327 Federal Magnum, .32 S&W Long