Is 40 S&W good for self defense?
Christopher Harper
Updated on May 12, 2026
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In this way, is a .40 good for self defense?
The . 40 S&W is a perfectly viable self-defense round. But, if you shoot a lot and want to shoot better for less money, or if you're considering using a handgun for personal or home defense, pick up a 9mm handgun and get shooting. You'll save time and money, without compromising defensive performance.
Similarly, does a 40 cal have stopping power? 40 caliber does release more energy but not by a whole lot either. The 9mm releases about 10 - 12 % less energy than its competitor. Also, there are ammo manufacturers that say their 9mm can match up in stopping power against other 40 cal. rounds In ballistic gels.
In this regard, is 40 S&W a good round?
40 S&W provides a controllable yet powerful round. For self-defense, it has proven stopping power while still being manageable enough to keep that front sight where it belongs and not be overcome by the first shot.
How powerful is a 40 S&W?
40 S&W yields ~ 425 ft. -lbs. Of course, they also put . 45 ACP at ~ 370 ft.
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