.32-40 Win. Load Data & Reloading Guide

Rifle

Also known as: .32-40 Winchester, .32-40 WCF, .32 Winchester Special

About .32-40 Win.

The .32-40 Winchester caliber, introduced in 1884 as a black powder cartridge, was initially developed for use in the Ballard single-shot rifle. Its reputation quickly grew, finding favor among lever-action rifle aficionados with models such as the Winchester Model 1894 and the Marlin Model 1893. Although originally intended for target shooting, its versatility also made it suitable for varmint and small game hunting, especially when loaded with lighter bullets.

The .32-40 Win. is characterized by its straight-walled, rimmed case, which facilitates effective reloading. Typical case dimensions include a length of 2.13 inches and a base diameter of 0.422 inches. It typically fires lead bullets weighing between 165 and 180 grains, although jacketed bullet designs are also available for modern uses. This caliber operates best within a muzzle velocity range of 1,400 to 1,800 feet per second, depending on the powder charge and bullet weight.

Ballistically, the .32-40 Win. excels at moderate ranges, offering impressive accuracy and manageable recoil, qualities which contribute to its enduring popularity in traditional shooting competitions like Schuetzen matches. Despite being somewhat overshadowed by newer cartridges, it remains a practical option for those interested in classic firearms and traditional shooting disciplines.

For reloaders, the .32-40 Win. presents several advantages. The availability of modern smokeless powder formulations facilitates reliable performance improvements compared to its black powder origins. Furthermore, its straight-walled case simplifies the reloading process, making it an appealing choice for those who value both precision and historical appeal. Its adaptability allows for customized loading recipes, catering to personal preferences and specific shooting conditions, thereby enhancing both target shooting and hunting applications.

Technical Drawing

.32-40 Win. cartridge dimensions, C.I.P.L2 = 43.38 mm, L3 = 54.1 mm, L6 = 63.5 mmL2 = 43.38 mmL3 = 54.10 mmL6 = 63.50 mm

Based on C.I.P., the max. allowed case length is 2.130 in / 54.10 mm, the max. cartridge length is 2.500 in / 63.50 mm, and the max. allowed pressure is 34,084 PSI / 2,350 bar.

Technical Specifications

Maximum Pressure:34084 PSI / 2350 bar
Case Volume:41 Grains of Water
Primer Size:Large Rifle (LR)
Safety Standard:C.I.P. (Datasheet)
Bore Area:51.26 mm²
Barrel Diameter:0.32" / 8.1 mm
L2:1.708" / 43.38 mm
L3:2.130" / 54.10 mm
L6:2.500" / 63.50 mm

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Standard Load Data — .32-40 Win.

Select your desired cartridge and bullet weight below to access the corresponding load table. From there, you can choose any listed load recipe and transfer it directly into the ballistics calculator for further refinement, optimization, and precision tuning.

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100 gr
108 gr
120 gr
123 gr
125 gr
148 gr
160 gr

Frequently Asked Questions

The maximum pressure for .32-40 Win. is 34,084 psi | 2,350 bar.

.32-40 Win. typically uses a Large Rifle (LR) primer.

The case capacity of .32-40 Win. is approximately 41 grains of water (H₂O).