Well, after reading the posts and the majority glowing reviews for the Norinco...I just bought one!

I have been reading the posts and I have I noticed that one of the "must haves" is the USGI spring. Is there anything else I should replace with a USGI part? Does Marstar carry said parts?

I have been reading the posts and I have I noticed that one of the "must haves" is the USGI spring. Is there anything else I should replace with a USGI part? Does Marstar carry said parts?