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Metal Gear 1's final battle

""After Big Boss activated the base's self-destruct countdown, the two of them engaged in one-on-one combat, with Big Boss fighting using the same Patriot machine gun he had received from The Boss in their own final confrontation decades earlier.""

This sounds to me a lot like fanon; even though it seems like what Kojima would do, there is absolutely no way to confirm what weapon Unknown uses, other than a machine gun. And don't talk about the infinite ammo, eitherMachine Gun Kid, the Shotgunner, ""Arnold"", and Coward Duck all have infinite ammo, because of the gameplay mechanics. 

I took care of it. Besides, Big Boss left the Patriot on Boss' grave.   13:58, Apr 15, 2005 (UTC)"