This ballistic gel test compares Sinterfire and Fiocchi Guardian Blue .40 S&W ammunition. Both rounds demonstrated significant fragmentation, creating large wound cavities. The Fiocchi Guardian Blue appeared to produce a slightly larger average wound cavity. Both met FBI penetration standards through denim, with the Sinterfire retaining 57 grains and the Fiocchi retaining 51.9 grains through denim.
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