12 Bore vs 20 Bore ?!

Published on November 29, 2018
Duration: 7:50

This video from TGS Outdoors provides an expert comparison between 12 bore and 20 bore shotguns. It clarifies bore size definitions, discusses load versatility, and analyzes recoil, concluding that a 20 bore is not at a ballistic disadvantage for standard loads, challenging market perceptions. The analysis is backed by practical pattern testing.

Quick Summary

A 12 bore shotgun has a nominal bore diameter of 0.729 inches, while a 20 bore is 0.615 inches. While 12 bores offer more versatile heavy load options, pattern tests show 20 bores perform comparably with standard loads and are often lighter and easier to handle.

Chapters

  1. 00:00Introduction: 12 vs 20 Bore
  2. 00:22Understanding Bore Size
  3. 01:08Ammunition Load Differences
  4. 02:03Ballistics and Shot Columns
  5. 02:59Recoil and Gun Fit
  6. 03:54Market Perceptions of 20 Bore
  7. 04:11Pattern Testing Comparison
  8. 05:48Conclusion: 20 Bore Performance

Frequently Asked Questions

What is the main difference between a 12 bore and a 20 bore shotgun?

The primary difference lies in their bore diameter. A 12 bore has a nominal diameter of 0.729 inches, while a 20 bore is smaller at 0.615 inches. This difference affects the amount of shot a shell can hold and the overall size and weight of the firearm.

Does a 20 bore shotgun have less power or range than a 12 bore?

For standard loads, a 20 bore is not at a significant ballistic disadvantage. Pattern testing shows comparable pellet counts at typical ranges. However, 12 bore shotguns can accommodate much heavier loads, offering greater payload capacity for specialized applications.

Is a 20 bore shotgun lighter and easier to shoot than a 12 bore?

Generally, 20 bore shotguns are built on smaller, lighter frames, making them easier to carry and handle. Recoil is subjective and depends heavily on the gun's weight and fit, but a lighter 20 bore might feel more manageable for some shooters than a lighter 12 bore.

Can you use the same ammunition in a 12 bore and a 20 bore shotgun?

No, you cannot interchange ammunition between 12 bore and 20 bore shotguns. They use different sized shells (cartridges) designed specifically for their respective bore diameters. Using the wrong ammunition can be dangerous and damage the firearm.

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