Underwood 9mm 147gr XTP +P in Clear Ballistics gel

*Note* This test was conducted with Clear Ballistics Gel. Clear Ballistics is a synthetic gel and does not correlate with Organic gelatin like Vyse Ballistics gelatin.

Underwood has a well-deserved reputation of loading their ammo hot and this one is no exception.  The four rounds tested has an average velocity of 1128fps with a 147gr bullet. Four rounds out of a Sig 320 with a four inch barrel. Shot into two 16 inch blocks of Clear Ballistics gel at a distance of 10 feet.c21c322e-67c9-40f0-a4cb-734fb9bae0b4_zpsf2rlzdoc

The first round shot into bare gel had a velocity of 1109fps and penetrated 16 inches with an expansion of .58 inches. The second round also went to 16 inches with a velocity of 1128fps and expanded to .60 inches.


The first round in heavy clothing had a velocity of 1139fps, penetrated to 20.75 Inches and expanded to .51 inches. Round number two went 21 inches with a velocity of 1138fps and expanded to .45 inches.


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