6.5 Creedmoor vs 308 Barrier Test: No More Debating

Published on January 4, 2024
Duration: 11:57

This barrier test compares 6.5 Creedmoor and .308 Winchester using various materials like lumber, sand, concrete, and steel. While 6.5 Creedmoor penetrated lumber better, .308 Winchester showed superior performance against thicker steel plates, creating deeper craters. Both calibers were stopped by sand, and both penetrated concrete, leading to mixed results and a personal preference for .308 Winchester by the host for barrier penetration.

Quick Summary

In a barrier test, .308 Winchester (147 gr FMJ) showed superior performance against 1/2" steel, creating a deeper crater than 6.5 Creedmoor (140 gr FMJ). While 6.5 Creedmoor penetrated lumber better, .308 Winchester's energy transfer on heavy steel led the host to favor it for barrier penetration.

Chapters

  1. 00:00Introduction & Chronograph Testing
  2. 00:49Round 1: Lumber Barrier Test
  3. 03:41Round 2: Sand Barrier Test
  4. 05:28Round 3: Concrete Barrier Test
  5. 07:21Round 4: Steel Plate Testing
  6. 11:21Conclusion & Final Assessment

Frequently Asked Questions

How did 6.5 Creedmoor and .308 Winchester perform against lumber barriers?

In the lumber barrier test, 6.5 Creedmoor (140 gr FMJ) successfully penetrated all layers including steel. The .308 Winchester (147 gr FMJ) penetrated the wood but tumbled and failed to penetrate the final steel plate, indicating a win for 6.5 Creedmoor in this specific test.

What were the results of the sand and concrete barrier tests?

Both 6.5 Creedmoor and .308 Winchester were completely stopped by 8 inches of sand backed by plywood, resulting in a draw. Similarly, both calibers easily penetrated 1.5 inches of solid concrete backed by plywood, also resulting in a draw.

Which caliber performed better against steel barriers in the test?

Against 1/2 inch mild steel, neither caliber fully penetrated. However, the .308 Winchester created a deeper impact crater (0.415 inches) compared to the 6.5 Creedmoor (0.321 inches), suggesting superior performance in energy transfer on heavy steel.

What are the key ballistic specifications for the tested ammunition?

The 6.5 Creedmoor load was a 140 gr FMJ with 2,555 fps velocity and 2,030 ft/lbs energy. The .308 Winchester load was a 147 gr FMJ with 2,709 fps velocity and 2,396 ft/lbs energy, both from 20-inch barrels.

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