7.65 x 25 Borchardt Load Data & Reloading Guide

Also known as: 7.65x25 Borchardt, 7.65mm Borchardt, .30 Mauser

About 7.65 x 25 Borchardt

The 7.65 x 25 Borchardt cartridge, developed in the late 19th century, is historically significant as the first mass-produced semi-automatic pistol cartridge. Introduced in 1893 for the Borchardt C-93 pistol, this cartridge laid the groundwork for later developments in semi-automatic firearms, influencing iconic calibers like the 7.63 x 25 Mauser and 7.62 x 25 Tokarev.

Technically, the 7.65 x 25 Borchardt features a bottlenecked case design, facilitating reliable feeding in semi-automatic mechanisms. The cartridge typically accommodates a bullet with a diameter of approximately 7.89 mm, encased within a sleek case length of 25 mm. Common bullet weights range from 85 to 93 grains. This cartridge was initially loaded with black powder but was quickly adapted to smokeless powder, offering improved velocities and cleanliness.

Ballistically, the 7.65 x 25 Borchardt achieves muzzle velocities around 1,280 feet per second, providing respectable performance for its time. Its design balances moderate recoil with effective velocity, contributing to its reputation for accuracy and manageable shooting characteristics. Although it has largely historical significance today, it serves as a collectible piece and a subject of interest for enthusiasts specializing in vintage cartridges.

For reloaders, the 7.65 x 25 Borchardt presents intriguing opportunities to engage with historical ammunition. Reloading this cartridge allows enthusiasts to experiment with different powder types and bullet weights, potentially reclaiming the shooting experience of the late 19th and early 20th centuries. Custom reloading can also enhance performance and tailor load specifications to suit modern applications, such as target shooting or historical firearms demonstrations.

Technical Drawing

7.65 x 25 Borchardt cartridge dimensions, C.I.P.L1 = 19.6 mm, L2 = 21.04 mm, L3 = 25.15 mm, L6 = 35.2 mmL1 = 19.60 mmL2 = 21.04 mmL3 = 25.15 mmL6 = 35.20 mm43.2°

Based on Wildcat, the max. allowed case length is 0.990 in / 25.15 mm, the max. cartridge length is 1.386 in / 35.20 mm, and the max. allowed pressure is 29,008 PSI / 2,000 bar.

Technical Specifications

Maximum Pressure:29008 PSI / 2000 bar
Case Volume:16.33 Grains of Water
Primer Size:Large Pistol (LP)
Safety Standard:Wildcat
Bore Area:46.9 mm²
Barrel Diameter:0.307" / 7.8 mm
L1:0.772" / 19.60 mm
L2:0.828" / 21.04 mm
L3:0.990" / 25.15 mm
L6:1.386" / 35.20 mm

Start Calculating to Develop your own Load Data for 7.65 x 25 Borchardt

Use our professional ballistics calculator to develop safe and accurate load recipes for 7.65 x 25 Borchardt.

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Standard Load Data — 7.65 x 25 Borchardt

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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73 gr
85 gr
86 gr
90 gr
93 gr
100 gr
110 gr
113 gr
115 gr
125 gr

Frequently Asked Questions

The maximum pressure for 7.65 x 25 Borchardt is 29,008 psi | 2,000 bar.

7.65 x 25 Borchardt typically uses a Large Pistol (LP) primer.

The case capacity of 7.65 x 25 Borchardt is approximately 16.33 grains of water (H₂O).