This video from American Rifleman Television, featuring Johan Bowden from Federal Premium, evaluates two defensive ammunition loads: the Guard Dog and the HST. The Guard Dog utilizes Expanding Full Metal Jacket (EFMJ) technology with a rubber insert to achieve expansion without a traditional hollow point cavity, aiming to mitigate over-penetration and plugging issues. The HST is presented as a proven law enforcement round known for consistent expansion and performance through various barriers, now available to civilians. Testing protocols, including the FBI standard, are discussed, highlighting the importance of terminal ballistics, penetration depth (targeting 12 inches), and weight retention.
Neil Amory from RT Manufacturing discusses the Hornady Critical Duty .45 Auto +P ammunition, introduced in 2013. This round features a 220-grain Flex Tip bullet designed for optimal performance in law enforcement testing protocols, including the FBI protocol. It aims for 12-18 inches of penetration through various barriers while maintaining expansion.
This video details the rigorous FBI ammunition testing protocol applied to Hornady's Critical Duty 9mm +P ammunition. A Hornady representative explains the bullet's construction, designed for law enforcement duty use, and contrasts it with Critical Defense rounds. The testing includes penetration through various barriers like automotive glass and steel, with results showing consistent expansion and penetration within the FBI's specified range.
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