.240 Weath. Mag. Load Data & Reloading Guide

Rifle

Also known as: .240 Weatherby Magnum, 6.0×62mm Weatherby, .240 Wby. Mag.

About .240 Weath. Mag.

The .240 Weatherby Magnum, introduced by Roy Weatherby in 1963, was designed to offer a flat-shooting alternative for long-range hunting and shooting. Built on the foundation of the .257 Weatherby Magnum case, this caliber was developed to achieve high velocities with minimal recoil, making it appealing for both hunters and competitive shooters. Over the years, it has gained a reputation for its accuracy and effectiveness in various shooting disciplines.

The .240 Weatherby Magnum typically uses bullets in the range of 80 to 100 grains. Its design allows for high velocities, often exceeding 3,200 feet per second with appropriately tuned loads, while maintaining a generous ballistic coefficient that ensures stable flight and minimal drop at extended ranges. This performance translates to significant energy delivery on target, making it an excellent choice for medium to large game.

In practical applications, the .240 Weatherby Magnum shines in hunting situations, particularly for species such as deer, antelope, and even larger game when using appropriate bullet construction. The caliber’s combination of high velocity and flat trajectory makes it suitable for both open country and timbered environments. Additionally, the .240 is favored in precision shooting circles for its inherent accuracy and ability to match the trajectory of competing .24 caliber cartridges.

For reloaders, the .240 Weatherby Magnum offers several advantages, including a wide range of available bullet types and weights. This flexibility allows reloaders to customize loads for specific hunting conditions or shooting requirements. Given its penchant for accuracy and performance, reloaders can further refine their ammunition to maximize consistency and precision, making it a popular choice among those who appreciate the art of handloading.

Technical Drawing

.240 Weath. Mag. technical drawing and load data

Technical Specifications

Maximum Pressure:63817 PSI / 4400 bar
Case Volume:64 Grains of Water
Primer Size:Large Rifle (LR)
Safety Standard:C.I.P.
Bore Area:29.56 mm²
Barrel Diameter:0.243" / 6.2 mm
L3:2.5" / 63.5 mm
L6:3.1" / 78.7 mm

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Brass Case Capacities

The following table shows the case capacity (Grains of Water) for brass in cartridge .240 Weath. Mag. where we have data (number of datapoints in brackets).

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Standard Load Data — .240 Weath. Mag.

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.

All
50 gr
65 gr
66 gr
70 gr
80 gr
85 gr
87 gr
88 gr
90 gr
95 gr
100 gr
105 gr
109 gr

Frequently Asked Questions

The maximum pressure for .240 Weath. Mag. is 63,817 psi | 4,400 bar.

.240 Weath. Mag. typically uses a Large Rifle (LR) primer.

The case capacity of .240 Weath. Mag. is approximately 64 grains of water (H₂O).