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Old 04-12-2011, 11:13   #73
G26man
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Join Date: Jul 2004
Location: NC
Posts: 5,764
It's sectional density. That's the real reason one would want .357SIG over a 135gr .40S&W. If you knew you would always be attacked by someone in light clothing with no barriers between you then yes it probably doesn't offer much over .40S&W, but if there is any kind of hard barrier involved like auto glass, car door, metal signage, or possibly even interior walls or doors, the .357SIG will deliver more energy to the perp on the other side.
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Last edited by G26man; 04-12-2011 at 11:16..
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