Cartridge Hall of Fame: 270 Winchester Ammunition | MidwayUSA

Published on September 28, 2010
Duration: 1:30

This entry details the .270 Winchester cartridge, tracing its history from its 1925 introduction by Winchester to its current status as a popular and enduring centerfire rifle round. It covers its design, ballistics, and historical significance, including its association with influential figures like Jack O'Connor and firearms like the Winchester Model 54 and Model 70. The information is presented with high authority, drawing from the expertise of Larry Potterfield, Founder and CEO of MidwayUSA.

Quick Summary

The .270 Winchester, introduced in 1925, is a medium-power cartridge generating over 2,700 ft-lbs of energy. Based on the .30-06 case, it features a rimless bottleneck design. Popularized by Jack O'Connor and the Winchester Model 70, it remains a top-selling centerfire rifle cartridge with common loads achieving 3,000 fps with a 130-grain bullet.

Chapters

  1. 00:00Introduction to .270 Winchester
  2. 00:10Historical Background & Naming
  3. 00:19Technical Overview & Energy
  4. 00:36Design Characteristics
  5. 00:45Popularity & Influence
  6. 00:53Modern Performance & Bullet Weights
  7. 01:10Legacy & Continued Relevance

Frequently Asked Questions

When was the .270 Winchester cartridge introduced?

The .270 Winchester cartridge was introduced by Winchester in 1925. It was initially chambered in the Winchester Model 54 bolt-action rifle, marking its debut in the firearms market.

What are the key ballistics of the .270 Winchester?

The .270 Winchester is considered a medium-power cartridge, generating over 2,700 ft-lbs of energy. A common load features a 130-grain bullet at approximately 3,000 feet per second.

Who popularized the .270 Winchester cartridge?

The .270 Winchester cartridge was significantly popularized by the renowned outdoor writer Jack O'Connor. Its association with the Winchester Model 70 rifle also contributed to its widespread adoption.

What is the design basis for the .270 Winchester cartridge?

The .270 Winchester cartridge is based on the .30-06 family of cases. It features a rimless bottleneck design, where the shoulder of the case is crucial for controlling headspace during firing.

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