Good morning, I am new here and new to HK's. I am not new to guns at all, I am mainly a 1911 and glock guy. I just had to have a VP9 after reading about it. But I have a question, and I have read and researched this topic. I bought a VP9 at a price I couldn't pass up, and it has the original red RSA. I know HK has switch all VP series handguns to the silver VP40 RSA. Is this something I should preemptively replace in my VP9 or just stay with the RED RSA. Also will this void the warranty? I'm just thinking they must've changed it for a reason.