It's like putting spinner rims and a flatscreen with DVD player into a Yugo.
For how inexpensive a used (dependable) 870 can be found, I won't be buying anything Chinese.
"And Shepherds we shall be. For thee, my Lord for thee. Power hath descended forth from thy hand, that our feet may swiftly carry out thy command. So we shall flow a river forth to thee and teeming with souls shall it ever be. In nomine Patris, et fili, et Spiritus Sancti. Amen."