[Plant]

Originally Posted by Daedalus_DevGru

have you seen this? hope it helps: http://pageproducer.arczip.com/daedalus03/g36chop.html

youre doing the right thing but you gotta make sure the two tabs on the hop unit slide into the right place before you turn it 90 degrees.

Actually thats what I used to install it. Thanks for the help, but the pictures aren't a very good depiction of what needs to be done. Anyway the only way that I managed to get the hop-up to lock into place was without the small black rubber piece that goes on the barrel. This has me worried because i'm almost certain that the rubber piece needs to be at the end of the hop-up correct?