Lol, in all honesty, it is VERY easy to do. I can change one out and put teverything back together in a minute. One who hasn't done it before, youtube it, you'll have it done in 15 minutes if your at least somewhat mechanically inclined.
I was shocked by how easy the internals of the gun come apart - I was afraid to do it myself at first and then I watched a Youtube video on how to install the mag-release and after that, I kept going with the extended slide-release and 3.5Lb connector.
Seriously easy stuff.
Mike did it in 32 seconds.....and I was so impressed I decided new sites were in order 
