
Originally Posted by
HoneyBadger
FWIW- I've read and heard that mounting optics is basically a waste. The barrel doesn't consistently lock into the same alignment with the receiver, so your receiver-mounted optics will not necessarily line up with your barrel. The factory sights work fine because the sight radius is still in line with the barrel, but I've heard several times that you have to re-zero your receiver-mounted optic every time you take it down and then reassemble.
Again, this is all secondhand info and I don't have any firsthand experience with the takedown model. YMMV.