Underwood Ammo 357SIG Gold Dot Gel Test

Finished up the testing of the Underwood Ammo 125gr Gold Dot 357SIG round.  Here are the conditions and results. 

Test conditions: 
-Glock 22 with a G31 barrel
-Test rounds fired from 10 feet 
-"FBI spec" (Their term, not mine...) Clear Ballistics gel block
-4 layers of denim 

Results: 
-1558 FPS, 673 FT/LBS Energy
-17'' of penetration 

-Recovered weight: 124gr

Here's the video showing the test, the permanent cavity, and a discussion of the results: