.375 R Hoelderlin Load Data & Reloading Guide

Rifle

Also known as: .375 R H, .375 H&H, .375 Holland & Holland

About .375 R Hoelderlin

The .375 R Hoelderlin is a versatile rifle cartridge that has garnered attention within the reloading community for its unique blend of power and precision. Although not as widely known as other .375 caliber rounds, it was developed to offer hunters a reliable option for both large game and dangerous game pursuits, providing a noteworthy balance between recoil and stopping power. Developed with the intent to bridge the gap between standard hunting rounds and heavy-duty safari cartridges, the .375 R Hoelderlin has found a niche among avid hunters and long-range shooters alike.

In terms of technical characteristics, the .375 R Hoelderlin features a rimmed case design, making it particularly suitable for single-shot rifles and double rifles. This rimmed design enhances extraction and reliability, particularly in challenging hunting conditions. Reloaders will appreciate the cartridge's generous case capacity, allowing for a variety of powder types and charge weights to achieve optimal ballistic performance. Typically, the cartridge handles bullet weights ranging from 250 to 300 grains, offering flexibility in tailoring loads for different applications.

Ballistically, the .375 R Hoelderlin exhibits excellent energy retention and trajectory stability, making it effective for large game such as elk, moose, and African plains game. The cartridge's versatile performance extends to the ability to take on formidable game, giving hunters confidence in fields where stopping power is critical. For competition shooters, the round's consistency and accuracy over medium to long distances are added bonuses, especially when precision handloads are employed.

Reloaders find the .375 R Hoelderlin advantageous due to its adaptability in loading. The wide variety of bullet choices and powder combinations enable customization to achieve specific shooting goals, whether in hunting or competition. This flexibility makes it a favorite among those who value precision handloading and enjoy tweaking ammunition to achieve top-notch performance in the field. Familiarity with reloading best practices ensures that each cartridge produced meets the high standards required for the unique demands of this caliber.

Technical Drawing

.375 R Hoelderlin cartridge dimensions, C.I.P.L1 = 53.2 mm, L2 = 56.57 mm, L3 = 67.5 mm, L6 = 87 mmL1 = 53.20 mmL2 = 56.57 mmL3 = 67.50 mmL6 = 87.00 mm29.3°

Based on C.I.P., the max. allowed case length is 2.657 in / 67.50 mm, the max. cartridge length is 3.425 in / 87.00 mm, and the max. allowed pressure is 52,214 PSI / 3,600 bar.

Technical Specifications

Maximum Pressure:52214 PSI / 3600 bar
Case Volume:88 Grains of Water
Primer Size:Large Rifle Magnum (LRM)
Safety Standard:C.I.P. (Datasheet)
Bore Area:70.16 mm²
Barrel Diameter:0.375" / 9.5 mm
L1:2.094" / 53.20 mm
L2:2.227" / 56.57 mm
L3:2.657" / 67.50 mm
L6:3.425" / 87.00 mm

Start Calculating to Develop your own Load Data for .375 R Hoelderlin

Use our professional ballistics calculator to develop safe and accurate load recipes for .375 R Hoelderlin.

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Standard Load Data — .375 R Hoelderlin

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 .375 R Hoelderlin is 52,214 psi | 3,600 bar.

.375 R Hoelderlin typically uses a Large Rifle Magnum (LRM) primer.

The case capacity of .375 R Hoelderlin is approximately 88 grains of water (H₂O).