Look Who it Was Random video

Gel test: 10mm 165 gr Hornady Critical Defense

4,545 views · Published 30 November 2012 · 0:36 · Indexed 4 November 2026

Channel: News of the Pews · 2012 · Education

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10mm 165 gr Hornady Critical Defense, average velocity 1,144 fps, fired from 4.5" barrel EAA Witness, through four layers of denim.

BB calibration: 599.3 fps, 3.6"

Impact velocities with penetration depths:

1,135 fps, 12.6"
1,148 fps, 12.2"
1,148 fps, 12.8"
1,144 fps, 12.7"


Maximum/minimum expansion and retained weight measurements follow but I can't tell you which bullet is associated with which shot.

0.755", 0.583", 164.8 gr
0.801", 0.622", 163.2 gr
0.782", 0.586", 164.8 gr
0.712", 0.589", 163.5 gr

Retained weight was taken without the little rubber plugs. They all weighed either 0.9 gr or 1.0 gr. Each bullet had it's plug still stuck to the front of it in the block, but they floated to the top in the hot water I use to remove any leftover gelatin. The lead fragment you see in the photo was attached to the bullet until I broke it off patting it dry with a paper towel so I did count it as part of the retained weight.
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