6.5 Creedmoor vs 7mm-08: BIG Difference On Steel

Published on December 20, 2022
Duration: 6:02

This video provides an expert-level comparison of 6.5 Creedmoor and 7mm-08 cartridges, focusing on their steel plate penetration capabilities. The host, demonstrating high authority through practical testing and precise measurements, details a methodology for assessing terminal ballistics. The test reveals that the 7mm-08 exhibits approximately 25% greater penetration on 1/2-inch steel compared to the 6.5 Creedmoor under the tested conditions.

Quick Summary

The 7mm-08 cartridge demonstrated superior steel penetration compared to the 6.5 Creedmoor. In tests against 1/2-inch mild steel at 50 yards, the 7mm-08 penetrated 0.378 inches, while the 6.5 Creedmoor penetrated 0.302 inches, showing about a 25% difference. This is attributed to the 7mm-08's larger case capacity and higher muzzle energy.

Chapters

  1. 00:00Introduction & Cartridge Overview
  2. 00:19Test Parameters & Ammunition Specs
  3. 00:42Safety Shield & Testing Rig
  4. 01:261/4" & 3/8" Steel Plate Results
  5. 02:421/2" Steel Plate Results & Initial Observations
  6. 03:32Measurement Methodology Explained
  7. 05:05Final Penetration Depth Results

Frequently Asked Questions

How does the 7mm-08 compare to the 6.5 Creedmoor in terms of steel penetration?

In a test involving 1/2-inch mild steel at 50 yards, the 7mm-08 (139 gr Hornady Interlock) penetrated 0.378 inches, while the 6.5 Creedmoor (129 gr Hornady Interlock) penetrated 0.302 inches. This indicates the 7mm-08 achieved approximately 25% greater penetration.

What are the key ballistic differences between 6.5 Creedmoor and 7mm-08 mentioned in the video?

The 7mm-08 has a slightly larger case, which generally leads to higher muzzle energy compared to the 6.5 Creedmoor. Both are considered excellent long-range options, but this test specifically focused on their close-range steel penetration performance.

What methodology was used to measure steel penetration depth?

After firing, the impact craters on the steel plates were exposed using an angle grinder. Residue was cleaned off, and digital calipers were used with a measuring block to accurately determine the penetration depth of the projectile into the steel.

Can both 6.5 Creedmoor and 7mm-08 penetrate thicker steel plates?

Based on the test conducted at 50 yards, neither the 6.5 Creedmoor nor the 7mm-08 were able to penetrate a 1/2-inch mild steel plate. Both cartridges achieved clean pass-throughs on thinner plates (1/4" and 3/8").

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