Board Thread:Naruto Discussions/@comment-34569788-20180504183427/@comment-32685487-20180505155100

Sasuke has Rinnegan because of the Hashirama dna that was pumped into his heart to heal him. Hag sped up the process and somehow fused his left EMS into it or something. Naruto does not have Hag, Madara, or Sasuke's flesh implanted into him so he can't get Rinnegan.