I found this, but i dont know what he used. But i like the look of it.
Anyways, it didn't really fail, just i guess there was some document signed during the civil war, and it ruined it. Heard the Army is looking into or has already picked the scar?
Gah do i feel dumb, i remember thinking about this before, and i must have forgotten. The carry handle on the xm8 is already straight, just it needs a rail...