The_Chopping_Block
The_Chopping_Block 20 Feb 2013
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10mm gel test: Underwood 155 gr XTP

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In General

Underwood 155 gr XTP fired from 4.5" barrel EAA Witness through four layers of denim into calibrated gelatin.

BB calibration: 581.0 fps, 3.75"

Impact velocity: 1,454 fps
Penetration: 11.0"
Retained weight: 152.2 gr
Max expansion: 0.838"
Min expansion: 0.629"
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