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Why the M7 and 6.8x51mm are Bad Ideas: Welcome to my TED Talk

Why the M7 and 6.8x51mm are Bad Ideas: Welcome to my TED Talk

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Published on December 6, 2025
Duration: 19:58

This video critically analyzes the US Army's proposed replacement for the M4 Carbine, arguing that the M7 and its 6.8x51mm cartridge are unnecessary and inefficient. The presenter posits that the justifications for the switch – long-range engagements and armor penetration – can be better addressed by existing solutions like FPV drones, designated marksmen, and specialized ammunition for the 5.56mm NATO. Drawing on historical combat data, the video emphasizes that infantry effectiveness is typically limited to much shorter ranges than the proposed rifle's capabilities, making the sacrifices in weight, ammo capacity, and overall logistics a poor trade-off.

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