When stacking law enforcement duty rounds for comparison using FBI Wound Ballistic Test Protocol, the .357 Sig performs well, not only in Bare Gelatin testing, but also in barrier testing through Heavy Clothing, Steel, Wallboard, Plywood, Safety Glass, and IWBA Heavy Clothing. The .357 Sig outperforms both 9mm +P+ 115 loads and +P 124 loads in all the above FBI barrier catagories except for Steel, and the Sig equals or outperforms the 40 S&W in all FBI barrier catagories. For civilian self-defense use, barrier penetration in addition to terminal performance on human targets may not be of the same concern as with law enforcement use. But for this demand and need in law enforcement issued duty weapons and ammunition, the .357 Sig scores very high marks in comparision testing. It's difficult to find any flies in the ointment within the context of law enforcement use.
Best
Last edited by GaryVA; 01/15/13.
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