No, it is a sensing feat, he sensed the exact volume unlike the others who felt its presence only, he also sensed that the Yin Kurama's chakra was mixed in, that's a sensing feat as only sensors can distinguish between types of chakra like that when they are blended into one thing.
Already explained this on an earlier page, Naruto had no problems sensing Nagato, he just couldn't locate the source of the chakra. If he couldn't be sensed please tell me how Konoha figured out that his chakra couldn't be backtracked.
...He determined the amount, not that he simply shared chakra.
One leg? The Buddha's whole footing is larger than Kurama's own footing. [
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] Getting one leg isn't helping here considering its whole footing is much more than one leg.
Buddha would pound them with Chojo Kebutsu before they could attempt anything anyway, and I'm still seeing no counter to that.
If he's on Buddha it won't reach him, it has a range and Buddha is way out of that range as shown in my other post.
Buddha's hands individually are far larger than any kind of Jinton Mu can fire given that they were able to snatch up Full Kurama. Mu isn't doing any serious damage to it, not to mention Jinton requires prep and he isn't prepping it before Buddha's hands turn him into paste.