You're only going to find V2. There are only like 3 known V1s remaining and I know they're not for sale.
LP poppet is pretty much required and most guns will already have it. Lightweight ram is not really a big game changer and in fact some if the lightweight rams have been known to cause leaks. Pooty bolt is ehhhhh. Not really special one way or the other. Supposed to do a bunch of things that I have not personally noticed on any of the 15 creeds I've had it on. Still like it because it powers sound signature, but that's about all I've experienced with it.
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Yup most of the V2 guns should have the LW ram but it's not needed. Pooty bolt will give you a bit of a velocity boost BUT, you have to have some pretty soft orings on the bolt so they can expand during firing. If they don't, you won't notice much. I was able to get mine to work after going through a lot of orings and testing. In the end all it will give you is maybe another pod of paint at best. Not a game changer.
If the gun is broken in.....it'll work pretty awesome stock.