This video emphasizes that penetration is the single most critical factor for handgun ammunition effectiveness in self-defense, advocating for a 12-18 inch penetration depth in ballistic gelatin as established by the FBI. It debunks outdated concepts like 'stopping power' and 'knockdown power,' stressing that consistent penetration to vital organs is paramount. The speaker also warns against fragmenting ammunition, highlighting its tendency to shed weight and reduce penetration, and advises choosing loads optimized for specific carry guns.
This video from GUNBROS provides an expert comparison between the 10mm Auto and .40 S&W cartridges. The speaker, demonstrating high authority, explains the historical development of both calibers, noting the .40 S&W as a derivative of the 10mm created for the FBI due to recoil concerns. Key differences in case length, velocity, and muzzle energy are detailed, with the 10mm offering significantly higher performance. The current market trends and niche roles of each caliber are also discussed.
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