[Danke]

Well if you've tot them both there there's only one way to find out.

Here's how,
Disassemble

https://www.youtube.com/watch?v=p3zD8GL9VBs

Reassemble

https://www.youtube.com/watch?v=xNsdjilxly0

Trouble Spots

https://www.youtube.com/watch?v=F7u4qRz4-Zo

Source
http://arniesairsoft.co.uk/forums/in...tuning-thread/

And this makes it less hassle.

http://airsoftdepot.ca/catalog/produ...oducts_id=3023