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We shoot Federal 9mm 135gr Hydrashok Deep ammunition from a Glock Model 22 with a 4.5″ LWD 9mm conversion barrel into Clearballistics ballistic gel to measure velocity, penetration, expansion/fragmentation, and retained weight.
The original Hydrashok was impressive for its time, but falls a little short compared to modern JHP. Federal has released an updated version called Hydrashok Deep.