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| Ok, now everybody watching thinking their pip squeak .22 bullet is a great deer slayer. Did some calculations, to even things up and not skew the results, the .308 should have been sending a 150 grain bullet down range instead of 167. The retained velocity would have been enough higher to make a big difference in this test, as well as a barrel length optimized for caliber, 22”. Commonly used .308 powder burn rates are designed for longer barrels than 18”, resulting in higher muzzle velocity than this test allowed. A 150 bullet now is the very same SD as the 77 grainer in the 5.56, .022. And tighten the cap down, redo the test and see the results then. And then compare these two rounds for a penetration test using ballistic gelatin. That test would show just how anemic the .22 bullet is at that distance. The comments had all the AR15 owners giddy, saying they knew of the mighty effective killing power of the 5.56. What a joke that is.
Edited by Boone & Crockett 4/20/2025 06:19
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308 vs 7.62 vs 5.56 on 5 gallon water jub
