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the DFLE is only slightly heavier than the DFLE, and from what I hear, not quite the chopper.

Eh?

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and their easier to sharpen, (well they're easy to sharpen and at 64 rc i don't think a battlerat would be too easy, but I'm not really sure) which is a plus over edge holding in an emergency, I think.

What emergency?

I have both a Battle Rat and a DogFather, and I can't tell that one is harder to sharpen than the other. The Battle Rat is noticeably lighter, though.