Ok i looked on the net and i could find the answer i was looking for so
Does the mosin nagant bolt slide easier with bent bolt?
I mean couldnt sorry
I would guess no because the only reason one would switch to bent is to allow the addition of a scope. If you ask me, the straight works better, but the curved is supposed to be more ergonomic or something ( I still like the straight better 
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why would the bolt angle make the bolt slide any better? The bent bolt certainly gives you more leverage which helps if you’;re shooting crappy milsurp ammo, but there’s a neat trick for working the straight bolt quickly.