This video provides an in-depth, expert-level review of the Underwood Ammo .45 ACP Xtreme Defender, featuring extensive barrier testing. Instruction from a highly authoritative source details its performance through automotive glass, plywood, drywall, and car doors, utilizing professional equipment like an Oehler 35P chronograph and FBI spec gelatin. The review highlights the projectile's solid copper construction and unique fluted design, emphasizing its effectiveness for self-defense and EDC applications.
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