WWE
Back to your Maynard carbine briefly ....
Get a copy of Peter Schiffer's book on Civil War carbines. He tested 12 original ACW carbines with ammo as near original as he could make it, no expense spared. He had bullet moulds made, cases made (including RF ignited by small RF blanks) and used original lube formulae where they could be researched.
He tested them for accuracy, function and reliability, shooting them at 55/110/220 metres (he's German) and assigning a rating of "acceptance" as if he was an evaluating Officer.
I got my copy from 'manatarmsbooks.com'. I won't spoil it for you by telling you where he rated the Maynard ..... ;>)