8.15 x 46 R Load Data & Reloading Guide

Rifle

Also known as: 8.15x46R, 8.15×46mm R, 8.15mm R

About 8.15 x 46 R

The 8.15 x 46 R caliber, often referred to as the "8.15mm German," is a traditional rifle cartridge originating in Germany during the late 19th century. It was developed primarily for use in single-shot rifles and target shooting, gaining significant popularity in Germany and neighboring regions. The cartridge was extensively used by sportsmen and shooting clubs, particularly prior to World War II. Its design reflects the era's focus on precision shooting and target competitions, where it excelled due to its accuracy and manageable recoil.

Technically, the 8.15 x 46 R is a rimmed, bottlenecked cartridge with a bullet diameter of approximately 8.14 mm (.320 inches) and a case length of about 46 mm. Its case capacity makes it well-suited for black and early smokeless powders, which were commonly used at the time of its inception. Typical bullet weights for the 8.15 x 46 R range from 150 to 180 grains, with soft lead or jacketed projectiles that contribute to its precise shooting characteristics. Its moderate ballistic performance makes it ideal for short-to-medium range target applications, providing good accuracy without significant barrel wear.

For reloaders, the 8.15 x 46 R presents several advantages. The cartridge's design allows for easy resizing and bullet seating, making it a favorable choice for those working with older firearms that are chambered in this caliber. Additionally, the availability of suitable reloading dies and bullets ensures that reloaders can continue to produce their own ammunition when commercial supplies are limited.

In practical applications, the 8.15 x 46 R finds its place in both historical and contemporary target shooting. Its ability to fire accurately at typical competition ranges makes it a favored choice for enthusiasts of traditional shooting disciplines. Although less common in modern hunting, its historical role in game shooting highlights its versatility and enduring presence in the shooting community.

Technical Drawing

8.15 x 46 R cartridge dimensions, C.I.P.L1 = 30 mm, L2 = 40 mm, L3 = 46.5 mm, L6 = 62.3 mmL1 = 30.00 mmL2 = 40.00 mmL3 = 46.50 mmL6 = 62.30 mm6.1°

Based on C.I.P., the max. allowed case length is 1.831 in / 46.50 mm, the max. cartridge length is 2.453 in / 62.30 mm, and the max. allowed pressure is 23,931 PSI / 1,650 bar.

Technical Specifications

Maximum Pressure:23931 PSI / 1650 bar
Case Volume:38.5 Grains of Water
Primer Size:Large Rifle (LR)
Safety Standard:C.I.P. (Datasheet)
Bore Area:49.34 mm²
Barrel Diameter:0.316" / 8.0 mm
L1:1.181" / 30.00 mm
L2:1.575" / 40.00 mm
L3:1.831" / 46.50 mm
L6:2.453" / 62.30 mm

Start Calculating to Develop your own Load Data for 8.15 x 46 R

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Standard Load Data — 8.15 x 46 R

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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Frequently Asked Questions

The maximum pressure for 8.15 x 46 R is 23,931 psi | 1,650 bar.

8.15 x 46 R typically uses a Large Rifle (LR) primer.

The case capacity of 8.15 x 46 R is approximately 38.5 grains of water (H₂O).