.375 H&H Magnum Explained

Published on November 23, 2018
Duration: 7:19

This video provides a comprehensive overview of the .375 H&H Magnum cartridge, detailing its historical development, unique design features like the belt for headspacing, and its intended purpose for medium to dangerous game. It discusses various bullet weights and their applications, from lighter loads for longer-range shooting to heavier options for dangerous game. The presenter also touches upon its influence on other belted magnums and its current standing in the hunting community.

Quick Summary

The .375 H&H Magnum is a belted, rimless rifle cartridge known for its versatility in hunting medium to dangerous game. Its distinctive belt aids in consistent headspacing due to its long taper and shallow shoulder. While effective for various game, its primary drawback is the high cost of ammunition.

Chapters

  1. 00:09Introduction to .375 H&H Magnum
  2. 00:28Cartridge Size Comparison
  3. 00:43The Belted Case Design
  4. 00:59Case Taper and Headspacing
  5. 01:23.375 H&H Magnum's Progeny
  6. 01:37Historical Context: 9.3x62 vs .375 H&H
  7. 01:48Purpose: Medium to Dangerous Game
  8. 02:01Magazine Feeding in Climate
  9. 02:13Action Size Requirements
  10. 02:33Original and Modern Loads
  11. 02:50Bullet Weight Applications
  12. 03:02Post WWI Popularity and Licensing
  13. 03:14Winchester's Involvement
  14. 03:28African Hunting Recommendations
  15. 03:44Bullet Construction Versatility
  16. 04:06Velocity and Twist Rate
  17. 04:28Case Capacity and Pressure
  18. 04:47Zero Consistency for Hunters
  19. 04:55Double Rifles and Actions
  20. 05:12Ballistics: Drop at Distance
  21. 05:32Cost of Ammunition
  22. 05:51Reloading Considerations
  23. 06:09Children of the .375 H&H Magnum
  24. 06:35Comparison with .458 Win Mag
  25. 06:41Further Testing and Thanks

Frequently Asked Questions

What is the primary design feature of the .375 H&H Magnum cartridge?

The .375 H&H Magnum is characterized by its distinctive belt on the case head. This belt serves as the primary means of headspacing, compensating for the cartridge's long taper and shallow shoulder, which were designed for reliable magazine feeding.

What types of game is the .375 H&H Magnum suitable for?

The .375 H&H Magnum is highly regarded for its versatility in hunting. It is considered ideal for medium to dangerous game, with lighter bullet weights suitable for plains game at longer ranges and heavier bullets for large, dangerous game in Africa.

Why was the .375 H&H Magnum developed with a belted case?

The belted case was developed to ensure consistent headspacing. The cartridge's design, featuring a long taper and a shallow shoulder, made it difficult to headspace reliably off the neck alone, necessitating the addition of the belt.

What are the main drawbacks of the .375 H&H Magnum?

The most significant drawback of the .375 H&H Magnum is the cost of ammunition. Boxes of ammunition can be quite expensive, ranging from around £46 to over £140, making it a considerable investment for frequent shooting.

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