5.56mm gel test: M855A1 Enhanced Performance Round
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5.56mm gel test: M855A1 Enhanced Performance Round


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Old 05-21-2015, 04:57 PM   #1
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Default 5.56mm gel test: M855A1 Enhanced Performance Round

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M855A1 "green" enhanced performance round fired from 14.5" barrel AR into calibrated 10% gelatin.

BB: 584.2 fps, 3.3"

Impact velocity: 3,013 fps
Penetration: 19.9"
Retained weight: 24.3 gr
Neck: 0.5"
TSC: 3.5" x 7"

The copper slug from the base of the projectile is the part that was recovered at 19.9" and weighed 24.3gr and measured 0.187" across the middle and 0.409" long.

The steel penetrator tip was found lying on the tarp and weighed 18.9 gr and measured 0.168" across the middle and 0.564" long.

The copper jacket fragmented completely.


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Old 05-21-2015, 05:07 PM   #2
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Great video. Thanks.
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